997598592 has 112 divisors (see below), whose sum is σ = 2980020780. Its totient is φ = 332501760.

The previous prime is 997598543. The next prime is 997598599. The reversal of 997598592 is 295895799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997598599) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 87967 + ... + 98657.

Almost surely, 2^997598592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 997598592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1490010390).

997598592 is an abundant number, since it is smaller than the sum of its proper divisors (1982422188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

997598592 is an equidigital number, since it uses as much as digits as its factorization.

997598592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10723 (or 10696 counting only the distinct ones).

The product of its digits is 18370800, while the sum is 63.

The square root of 997598592 is about 31584.7841847938. The cubic root of 997598592 is about 999.1988890593.

The spelling of 997598592 in words is "nine hundred ninety-seven million, five hundred ninety-eight thousand, five hundred ninety-two".