89239934 has 16 divisors (see below), whose sum is σ = 156238848. Its totient is φ = 37431672.

The previous prime is 89239933. The next prime is 89239937. The reversal of 89239934 is 43993298.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89239933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67154 + ... + 68469.

It is an arithmetic number, because the mean of its divisors is an integer number (9764928).

Almost surely, 2^89239934 is an apocalyptic number.

89239934 is a deficient number, since it is larger than the sum of its proper divisors (66998914).

89239934 is a wasteful number, since it uses less digits than its factorization.

89239934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135679.

The product of its digits is 419904, while the sum is 47.

The square root of 89239934 is about 9446.6890496089. The cubic root of 89239934 is about 446.8753645913.

The spelling of 89239934 in words is "eighty-nine million, two hundred thirty-nine thousand, nine hundred thirty-four".