906402656 has 24 divisors (see below), whose sum is σ = 1846015920. Its totient is φ = 437573248.

The previous prime is 906402587. The next prime is 906402659. The reversal of 906402656 is 656204609.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (906402659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487436 + ... + 489291.

It is an arithmetic number, because the mean of its divisors is an integer number (76917330).

Almost surely, 2^906402656 is an apocalyptic number.

It is an amenable number.

906402656 is an abundant number, since it is smaller than the sum of its proper divisors (939613264).

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

906402656 is a wasteful number, since it uses less digits than its factorization.

906402656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976766 (or 976758 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 906402656 is about 30106.5218183702. The cubic root of 906402656 is about 967.7734938920.

The spelling of 906402656 in words is "nine hundred six million, four hundred two thousand, six hundred fifty-six".