604691172 has 36 divisors (see below), whose sum is σ = 1534889356. Its totient is φ = 200724480.

The previous prime is 604691161. The next prime is 604691179. The reversal of 604691172 is 271196406.

It can be written as a sum of positive squares in 2 ways, for example, as 563397696 + 41293476 = 23736^2 + 6426^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (604691179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26173 + ... + 43524.

Almost surely, 2^604691172 is an apocalyptic number.

It is an amenable number.

604691172 is an abundant number, since it is smaller than the sum of its proper divisors (930198184).

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

604691172 is a wasteful number, since it uses less digits than its factorization.

604691172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69948 (or 69943 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 604691172 is about 24590.4691293192. The cubic root of 604691172 is about 845.6251210335.

The spelling of 604691172 in words is "six hundred four million, six hundred ninety-one thousand, one hundred seventy-two".