901409956 has 12 divisors (see below), whose sum is σ = 1583290240. Its totient is φ = 449041320.

The previous prime is 901409953. The next prime is 901409981. The reversal of 901409956 is 659904109.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (901409953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414696 + ... + 416863.

Almost surely, 2^901409956 is an apocalyptic number.

It is an amenable number.

901409956 is a deficient number, since it is larger than the sum of its proper divisors (681880284).

901409956 is a wasteful number, since it uses less digits than its factorization.

901409956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831834 (or 831832 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 901409956 is about 30023.4900702766. The cubic root of 901409956 is about 965.9933058246.

The spelling of 901409956 in words is "nine hundred one million, four hundred nine thousand, nine hundred fifty-six".