909961712 has 20 divisors (see below), whose sum is σ = 1923328536. Its totient is φ = 413618880.

The previous prime is 909961711. The next prime is 909961733. The reversal of 909961712 is 217169909.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (909961711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2584943 + ... + 2585294.

Almost surely, 2^909961712 is an apocalyptic number.

It is an amenable number.

909961712 is an abundant number, since it is smaller than the sum of its proper divisors (1013366824).

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

909961712 is a wasteful number, since it uses less digits than its factorization.

909961712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5170256 (or 5170250 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 44.

The square root of 909961712 is about 30165.5716339008. The cubic root of 909961712 is about 969.0385172857.

The spelling of 909961712 in words is "nine hundred nine million, nine hundred sixty-one thousand, seven hundred twelve".