89204013 has 12 divisors (see below), whose sum is σ = 130179868. Its totient is φ = 58855680.

The previous prime is 89203997. The next prime is 89204039. The reversal of 89204013 is 31040298.

It can be written as a sum of positive squares in 2 ways, for example, as 15896169 + 73307844 = 3987^2 + 8562^2 .

It is not a de Polignac number, because 89204013 - 2⁴ = 89203997 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 (89204053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50218 + ... + 51963.

Almost surely, 2^89204013 is an apocalyptic number.

It is an amenable number.

89204013 is a deficient number, since it is larger than the sum of its proper divisors (40975855).

89204013 is a wasteful number, since it uses less digits than its factorization.

89204013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102284 (or 102281 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 89204013 is about 9444.7876101054. The cubic root of 89204013 is about 446.8153975507.

The spelling of 89204013 in words is "eighty-nine million, two hundred four thousand, thirteen".