89598431 has 4 divisors (see below), whose sum is σ = 96490632. Its totient is φ = 82706232.

The previous prime is 89598419. The next prime is 89598437. The reversal of 89598431 is 13489598.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89598431 - 2²² = 85404127 is a prime.

It is a super-2 number, since 2×89598431² = 16055757675323522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89598437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3446081 + ... + 3446106.

It is an arithmetic number, because the mean of its divisors is an integer number (24122658).

Almost surely, 2^89598431 is an apocalyptic number.

89598431 is a deficient number, since it is larger than the sum of its proper divisors (6892201).

89598431 is a wasteful number, since it uses less digits than its factorization.

89598431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6892200.

The product of its digits is 311040, while the sum is 47.

The square root of 89598431 is about 9465.6447746575. The cubic root of 89598431 is about 447.4729648784.

The spelling of 89598431 in words is "eighty-nine million, five hundred ninety-eight thousand, four hundred thirty-one".