97992589 has 4 divisors (see below), whose sum is σ = 98141500. Its totient is φ = 97843680.

The previous prime is 97992553. The next prime is 97992619. The reversal of 97992589 is 98529979.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98529979 = 2861 ⋅34439.

It can be written as a sum of positive squares in 2 ways, for example, as 50836900 + 47155689 = 7130^2 + 6867^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97992589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97992289) 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, 73464 + ... + 74785.

It is an arithmetic number, because the mean of its divisors is an integer number (24535375).

Almost surely, 2^97992589 is an apocalyptic number.

It is an amenable number.

97992589 is a deficient number, since it is larger than the sum of its proper divisors (148911).

97992589 is a wasteful number, since it uses less digits than its factorization.

97992589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148910.

The product of its digits is 3674160, while the sum is 58.

The square root of 97992589 is about 9899.1206175094. The cubic root of 97992589 is about 461.0320071634.

The spelling of 97992589 in words is "ninety-seven million, nine hundred ninety-two thousand, five hundred eighty-nine".