89609039 has 8 divisors (see below), whose sum is σ = 97075440. Its totient is φ = 82714008.

The previous prime is 89609021. The next prime is 89609053. The reversal of 89609039 is 93090698.

It is a de Polignac number, because none of the positive numbers 2^k-89609039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89609059) 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, 18197 + ... + 22590.

It is an arithmetic number, because the mean of its divisors is an integer number (12134430).

Almost surely, 2^89609039 is an apocalyptic number.

89609039 is a deficient number, since it is larger than the sum of its proper divisors (7466401).

89609039 is an equidigital number, since it uses as much as digits as its factorization.

89609039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40826 (or 40800 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 89609039 is about 9466.2051002500. The cubic root of 89609039 is about 447.4906236917.

The spelling of 89609039 in words is "eighty-nine million, six hundred nine thousand, thirty-nine".