64091604 has 48 divisors (see below), whose sum is σ = 152550720. Its totient is φ = 20939520.

The previous prime is 64091567. The next prime is 64091611. The reversal of 64091604 is 40619046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227944 + ... + 228224.

It is an arithmetic number, because the mean of its divisors is an integer number (3178140).

Almost surely, 2^64091604 is an apocalyptic number.

It is an amenable number.

64091604 is an abundant number, since it is smaller than the sum of its proper divisors (88459116).

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

64091604 is a wasteful number, since it uses less digits than its factorization.

64091604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 64091604 is about 8005.7232028094. The cubic root of 64091604 is about 400.1907506876.

The spelling of 64091604 in words is "sixty-four million, ninety-one thousand, six hundred four".