957440 has 88 divisors (see below), whose sum is σ = 2652912. Its totient is φ = 327680.

The previous prime is 957433. The next prime is 957499. The reversal of 957440 is 44759.

It is a tau number, because it is divible by the number of its divisors (88).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56312 + ... + 56328.

2⁹⁵⁷⁴⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 957440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1326456).

957440 is an abundant number, since it is smaller than the sum of its proper divisors (1695472).

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

957440 is a wasteful number, since it uses less digits than its factorization.

957440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53 (or 35 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 957440 is about 978.4886304909. The cubic root of 957440 is about 98.5607173726.

The spelling of 957440 in words is "nine hundred fifty-seven thousand, four hundred forty".