8135604 has 18 divisors (see below), whose sum is σ = 20565090. Its totient is φ = 2711856.

The previous prime is 8135599. The next prime is 8135623. The reversal of 8135604 is 4065318.

It can be written as a sum of positive squares in only one way, i.e., 7033104 + 1102500 = 2652^2 + 1050^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112959 + ... + 113030.

It is an arithmetic number, because the mean of its divisors is an integer number (1142505).

Almost surely, 2^8135604 is an apocalyptic number.

It is an amenable number.

8135604 is an abundant number, since it is smaller than the sum of its proper divisors (12429486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8135604 is a wasteful number, since it uses less digits than its factorization.

8135604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225999 (or 225994 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 8135604 is about 2852.2980208947. The cubic root of 8135604 is about 201.1237079116.

The spelling of 8135604 in words is "eight million, one hundred thirty-five thousand, six hundred four".