1604475312 has 40 divisors (see below), whose sum is σ = 4521704640. Its totient is φ = 486204480.

The previous prime is 1604475287. The next prime is 1604475329. The reversal of 1604475312 is 2135744061.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1518862 + ... + 1519917.

It is an arithmetic number, because the mean of its divisors is an integer number (113042616).

Almost surely, 2^1604475312 is an apocalyptic number.

1604475312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1604475312 is an abundant number, since it is smaller than the sum of its proper divisors (2917229328).

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

1604475312 is a wasteful number, since it uses less digits than its factorization.

1604475312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038801 (or 3038795 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 1604475312 is about 40055.9023366095. The cubic root of 1604475312 is about 1170.6965711083.

The spelling of 1604475312 in words is "one billion, six hundred four million, four hundred seventy-five thousand, three hundred twelve".