1478040 has 64 divisors (see below), whose sum is σ = 4514400. Its totient is φ = 387072.

The previous prime is 1478033. The next prime is 1478047. The reversal of 1478040 is 408741.

It is an interprime number because it is at equal distance from previous prime (1478033) and next prime (1478047).

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 1478040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13024 + ... + 13136.

2^1478040 is an apocalyptic number.

1478040 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 1478040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2257200).

1478040 is an abundant number, since it is smaller than the sum of its proper divisors (3036360).

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

1478040 is a wasteful number, since it uses less digits than its factorization.

1478040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 232 counting only the distinct ones).

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

The square root of 1478040 is about 1215.7466841411. The cubic root of 1478040 is about 113.9100552459.

The spelling of 1478040 in words is "one million, four hundred seventy-eight thousand, forty".