89106939 has 32 divisors (see below), whose sum is σ = 136503360. Its totient is φ = 57417984.

The previous prime is 89106931. The next prime is 89106943. The reversal of 89106939 is 93960198.

It is not a de Polignac number, because 89106939 - 2³ = 89106931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89106894 and 89106903.

It is not an unprimeable number, because it can be changed into a prime (89106931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104037 + ... + 104889.

It is an arithmetic number, because the mean of its divisors is an integer number (4265730).

Almost surely, 2^89106939 is an apocalyptic number.

89106939 is a deficient number, since it is larger than the sum of its proper divisors (47396421).

89106939 is a wasteful number, since it uses less digits than its factorization.

89106939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988 (or 982 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 89106939 is about 9439.6471862035. The cubic root of 89106939 is about 446.6532602224.

The spelling of 89106939 in words is "eighty-nine million, one hundred six thousand, nine hundred thirty-nine".