990929736 has 48 divisors (see below), whose sum is σ = 2688695100. Its totient is φ = 329703552.

The previous prime is 990929729. The next prime is 990929741. The reversal of 990929736 is 637929099.

It can be written as a sum of positive squares in 2 ways, for example, as 967832100 + 23097636 = 31110^2 + 4806^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27750 + ... + 52458.

Almost surely, 2^990929736 is an apocalyptic number.

It is an amenable number.

990929736 is an abundant number, since it is smaller than the sum of its proper divisors (1697765364).

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

990929736 is a wasteful number, since it uses less digits than its factorization.

990929736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25278 (or 25271 counting only the distinct ones).

The product of its (nonzero) digits is 1653372, while the sum is 54.

The square root of 990929736 is about 31479.0364528522. The cubic root of 990929736 is about 996.9673912475.

The spelling of 990929736 in words is "nine hundred ninety million, nine hundred twenty-nine thousand, seven hundred thirty-six".