905984972 has 12 divisors (see below), whose sum is σ = 1619207520. Its totient is φ = 443354256.

The previous prime is 905984971. The next prime is 905984977. The reversal of 905984972 is 279489509.

It is not an unprimeable number, because it can be changed into a prime (905984971) 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, 2409347 + ... + 2409722.

It is an arithmetic number, because the mean of its divisors is an integer number (134933960).

Almost surely, 2^905984972 is an apocalyptic number.

It is an amenable number.

905984972 is a deficient number, since it is larger than the sum of its proper divisors (713222548).

905984972 is a wasteful number, since it uses less digits than its factorization.

905984972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4819120 (or 4819118 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 53.

The square root of 905984972 is about 30099.5842496205. The cubic root of 905984972 is about 967.6248161831.

The spelling of 905984972 in words is "nine hundred five million, nine hundred eighty-four thousand, nine hundred seventy-two".