89641839 has 16 divisors (see below), whose sum is σ = 137318400. Its totient is φ = 50953440.

The previous prime is 89641823. The next prime is 89641847. The reversal of 89641839 is 93814698.

It is not a de Polignac number, because 89641839 - 2⁴ = 89641823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89641039) 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, 7164 + ... + 15185.

It is an arithmetic number, because the mean of its divisors is an integer number (8582400).

Almost surely, 2^89641839 is an apocalyptic number.

89641839 is a deficient number, since it is larger than the sum of its proper divisors (47676561).

89641839 is a wasteful number, since it uses less digits than its factorization.

89641839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22550.

The product of its digits is 373248, while the sum is 48.

The square root of 89641839 is about 9467.9374205790. The cubic root of 89641839 is about 447.5452160339.

The spelling of 89641839 in words is "eighty-nine million, six hundred forty-one thousand, eight hundred thirty-nine".