997152032 has 24 divisors (see below), whose sum is σ = 1968346800. Its totient is φ = 497254464.

The previous prime is 997152019. The next prime is 997152043. The reversal of 997152032 is 230251799.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28982 + ... + 53237.

It is an arithmetic number, because the mean of its divisors is an integer number (82014450).

Almost surely, 2^997152032 is an apocalyptic number.

It is an amenable number.

997152032 is a deficient number, since it is larger than the sum of its proper divisors (971194768).

997152032 is a wasteful number, since it uses less digits than its factorization.

997152032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82608 (or 82600 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 997152032 is about 31577.7141667981. The cubic root of 997152032 is about 999.0497746912.

It can be divided in two parts, 99715203 and 2, that multiplied together give a triangular number (199430406 = T₁₉₉₇₁).

The spelling of 997152032 in words is "nine hundred ninety-seven million, one hundred fifty-two thousand, thirty-two".