1488840 has 64 divisors (see below), whose sum is σ = 4708800. Its totient is φ = 375552.

The previous prime is 1488811. The next prime is 1488847. The reversal of 1488840 is 488841.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1488847) 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, 1954 + ... + 2606.

It is an arithmetic number, because the mean of its divisors is an integer number (73575).

2^1488840 is an apocalyptic number.

1488840 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 1488840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2354400).

1488840 is an abundant number, since it is smaller than the sum of its proper divisors (3219960).

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

1488840 is a wasteful number, since it uses less digits than its factorization.

1488840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 33.

The square root of 1488840 is about 1220.1803145437. The cubic root of 1488840 is about 114.1868281536.

Subtracting from 1488840 its reverse (488841), we obtain a palindrome (999999).

The spelling of 1488840 in words is "one million, four hundred eighty-eight thousand, eight hundred forty".