909649932 has 12 divisors (see below), whose sum is σ = 2122516536. Its totient is φ = 303216640.

The previous prime is 909649919. The next prime is 909649969. The reversal of 909649932 is 239946909.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 37902069 + ... + 37902092.

It is an arithmetic number, because the mean of its divisors is an integer number (176876378).

Almost surely, 2^909649932 is an apocalyptic number.

It is an amenable number.

909649932 is an abundant number, since it is smaller than the sum of its proper divisors (1212866604).

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

909649932 is a wasteful number, since it uses less digits than its factorization.

909649932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75804168 (or 75804166 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 51.

The square root of 909649932 is about 30160.4033792653. The cubic root of 909649932 is about 968.9278308185.

The spelling of 909649932 in words is "nine hundred nine million, six hundred forty-nine thousand, nine hundred thirty-two".