89798731 has 8 divisors (see below), whose sum is σ = 103118400. Its totient is φ = 77338440.

The previous prime is 89798729. The next prime is 89798759. The reversal of 89798731 is 13789798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89798731 - 2¹ = 89798729 is a prime.

It is a super-2 number, since 2×89798731² = 16127624178420722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89798701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214621 + ... + 215038.

It is an arithmetic number, because the mean of its divisors is an integer number (12889800).

Almost surely, 2^89798731 is an apocalyptic number.

89798731 is a deficient number, since it is larger than the sum of its proper divisors (13319669).

89798731 is a wasteful number, since it uses less digits than its factorization.

89798731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429689.

The product of its digits is 762048, while the sum is 52.

The square root of 89798731 is about 9476.2192355390. The cubic root of 89798731 is about 447.8061631549.

The spelling of 89798731 in words is "eighty-nine million, seven hundred ninety-eight thousand, seven hundred thirty-one".