909475456 has 64 divisors (see below), whose sum is σ = 1863148320. Its totient is φ = 441971712.

The previous prime is 909475447. The next prime is 909475481. The reversal of 909475456 is 654574909.

It is a happy number.

909475456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2052771 + ... + 2053213.

Almost surely, 2^909475456 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 909475456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (931574160).

909475456 is an abundant number, since it is smaller than the sum of its proper divisors (953672864).

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

909475456 is a wasteful number, since it uses less digits than its factorization.

909475456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873 (or 861 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 49.

The square root of 909475456 is about 30157.5107726085. The cubic root of 909475456 is about 968.8658782454.

The spelling of 909475456 in words is "nine hundred nine million, four hundred seventy-five thousand, four hundred fifty-six".