997959692 has 12 divisors (see below), whose sum is σ = 1746744720. Its totient is φ = 498889776.

The previous prime is 997959691. The next prime is 997959731. The reversal of 997959692 is 296959799.

It is not an unprimeable number, because it can be changed into a prime (997959691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6593 + ... + 45159.

It is an arithmetic number, because the mean of its divisors is an integer number (145562060).

Almost surely, 2^997959692 is an apocalyptic number.

It is an amenable number.

997959692 is a deficient number, since it is larger than the sum of its proper divisors (748785028).

997959692 is a wasteful number, since it uses less digits than its factorization.

997959692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45040 (or 45038 counting only the distinct ones).

The product of its digits is 24800580, while the sum is 65.

The square root of 997959692 is about 31590.5000276982. The cubic root of 997959692 is about 999.3194342687.

The spelling of 997959692 in words is "nine hundred ninety-seven million, nine hundred fifty-nine thousand, six hundred ninety-two".