912536640 has 84 divisors (see below), whose sum is σ = 3138755724. Its totient is φ = 243342336.

The previous prime is 912536633. The next prime is 912536641. The reversal of 912536640 is 46635219.

It is a happy number.

912536640 is a `hidden beast` number, since 9 + 1 + 2 + 5 + 3 + 6 + 640 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 121352256 + 791184384 = 11016^2 + 28128^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 912536595 and 912536604.

It is not an unprimeable number, because it can be changed into a prime (912536641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155547 + ... + 161306.

Almost surely, 2^912536640 is an apocalyptic number.

912536640 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

912536640 is an abundant number, since it is smaller than the sum of its proper divisors (2226219084).

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

912536640 is a wasteful number, since it uses less digits than its factorization.

912536640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316876 (or 316863 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 912536640 is about 30208.2213974938. The cubic root of 912536640 is about 969.9516892367.

The spelling of 912536640 in words is "nine hundred twelve million, five hundred thirty-six thousand, six hundred forty".