997536392 has 8 divisors (see below), whose sum is σ = 1870380750. Its totient is φ = 498768192.

The previous prime is 997536367. The next prime is 997536433. The reversal of 997536392 is 293635799.

997536392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 911677636 + 85858756 = 30194^2 + 9266^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62346017 + ... + 62346032.

Almost surely, 2^997536392 is an apocalyptic number.

It is an amenable number.

997536392 is a deficient number, since it is larger than the sum of its proper divisors (872844358).

997536392 is a wasteful number, since it uses less digits than its factorization.

997536392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124692055 (or 124692051 counting only the distinct ones).

The product of its digits is 2755620, while the sum is 53.

The square root of 997536392 is about 31583.7995181074. The cubic root of 997536392 is about 999.1781220350.

The spelling of 997536392 in words is "nine hundred ninety-seven million, five hundred thirty-six thousand, three hundred ninety-two".