1470840 has 128 divisors (see below), whose sum is σ = 5391360. Its totient is φ = 313344.

The previous prime is 1470839. The next prime is 1470841. The reversal of 1470840 is 480741.

1470840 = T₁₆₉ + T₁₇₀ + ... + T₂₃₈.

It is an interprime number because it is at equal distance from previous prime (1470839) and next prime (1470841).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1470840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1470841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14229 + ... + 14331.

It is an arithmetic number, because the mean of its divisors is an integer number (42120).

2^1470840 is an apocalyptic number.

1470840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1470840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2695680).

1470840 is an abundant number, since it is smaller than the sum of its proper divisors (3920520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1470840 is a wasteful number, since it uses less digits than its factorization.

1470840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1470840 is about 1212.7819259867. The cubic root of 1470840 is about 113.7247901304.

Subtracting from 1470840 its reverse (480741), we obtain a palindrome (990099).

The spelling of 1470840 in words is "one million, four hundred seventy thousand, eight hundred forty".