89836398 has 32 divisors (see below), whose sum is σ = 211381920. Its totient is φ = 28183680.

The previous prime is 89836387. The next prime is 89836399. The reversal of 89836398 is 89363898.

It is a super-2 number, since 2×89836398² = 16141156811228808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89836399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48013 + ... + 49848.

It is an arithmetic number, because the mean of its divisors is an integer number (6605685).

Almost surely, 2^89836398 is an apocalyptic number.

89836398 is an abundant number, since it is smaller than the sum of its proper divisors (121545522).

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

89836398 is a wasteful number, since it uses less digits than its factorization.

89836398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97889 (or 97883 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 89836398 is about 9478.2064759109. The cubic root of 89836398 is about 447.8687667006.

The spelling of 89836398 in words is "eighty-nine million, eight hundred thirty-six thousand, three hundred ninety-eight".