5291604 has 18 divisors (see below), whose sum is σ = 13376090. Its totient is φ = 1763856.

The previous prime is 5291599. The next prime is 5291621. The reversal of 5291604 is 4061925.

5291604 is a `hidden beast` number, since 52 + 9 + 1 + 604 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3992004 + 1299600 = 1998^2 + 1140^2 .

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73459 + ... + 73530.

Almost surely, 2^5291604 is an apocalyptic number.

It is an amenable number.

5291604 is an abundant number, since it is smaller than the sum of its proper divisors (8084486).

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

5291604 is a wasteful number, since it uses less digits than its factorization.

5291604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146999 (or 146994 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 5291604 is about 2300.3486692239. The cubic root of 5291604 is about 174.2592251881.

The spelling of 5291604 in words is "five million, two hundred ninety-one thousand, six hundred four".