997369432 has 32 divisors (see below), whose sum is σ = 1970035200. Its totient is φ = 472068000.

The previous prime is 997369427. The next prime is 997369441. The reversal of 997369432 is 234963799.

It is a self number, because there is not a number n which added to its sum of digits gives 997369432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355957 + ... + 358747.

It is an arithmetic number, because the mean of its divisors is an integer number (61563600).

Almost surely, 2^997369432 is an apocalyptic number.

It is an amenable number.

997369432 is a deficient number, since it is larger than the sum of its proper divisors (972665768).

997369432 is a wasteful number, since it uses less digits than its factorization.

With its successor (997369433) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (5163).

997369432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5167 (or 5163 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 52.

The square root of 997369432 is about 31581.1562802884. The cubic root of 997369432 is about 999.1223739979.

The spelling of 997369432 in words is "nine hundred ninety-seven million, three hundred sixty-nine thousand, four hundred thirty-two".