89871738 has 32 divisors (see below), whose sum is σ = 196420032. Its totient is φ = 27187200.

The previous prime is 89871731. The next prime is 89871757. The reversal of 89871738 is 83717898.

It is a super-2 number, since 2×89871738² = 16153858582281288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89871731) 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, 75508 + ... + 76688.

It is an arithmetic number, because the mean of its divisors is an integer number (6138126).

Almost surely, 2^89871738 is an apocalyptic number.

89871738 is an abundant number, since it is smaller than the sum of its proper divisors (106548294).

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

89871738 is a wasteful number, since it uses less digits than its factorization.

89871738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350.

The product of its digits is 677376, while the sum is 51.

The square root of 89871738 is about 9480.0705693576. The cubic root of 89871738 is about 447.9274868021.

It can be divided in two parts, 89871 and 738, that added together give a palindrome (90609).

The spelling of 89871738 in words is "eighty-nine million, eight hundred seventy-one thousand, seven hundred thirty-eight".