990753952 has 12 divisors (see below), whose sum is σ = 1950546906. Its totient is φ = 495376960.

The previous prime is 990753949. The next prime is 990753961. The reversal of 990753952 is 259357099.

It can be written as a sum of positive squares in only one way, i.e., 990738576 + 15376 = 31476^2 + 124^2 .

It is a junction number, because it is equal to n+sod(n) for n = 990753896 and 990753905.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15480499 + ... + 15480562.

Almost surely, 2^990753952 is an apocalyptic number.

It is an amenable number.

990753952 is a deficient number, since it is larger than the sum of its proper divisors (959792954).

990753952 is a wasteful number, since it uses less digits than its factorization.

990753952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30961071 (or 30961063 counting only the distinct ones).

The product of its (nonzero) digits is 765450, while the sum is 49.

The square root of 990753952 is about 31476.2442486393. The cubic root of 990753952 is about 996.9084360820.

The spelling of 990753952 in words is "nine hundred ninety million, seven hundred fifty-three thousand, nine hundred fifty-two".