1604314332 has 18 divisors (see below), whose sum is σ = 4055350208. Its totient is φ = 534771432.

The previous prime is 1604314321. The next prime is 1604314363. The reversal of 1604314332 is 2334134061.

1604314332 is a `hidden beast` number, since 16 + 0 + 4 + 314 + 332 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1604314296 and 1604314305.

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, 22282108 + ... + 22282179.

Almost surely, 2^1604314332 is an apocalyptic number.

1604314332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1604314332 is an abundant number, since it is smaller than the sum of its proper divisors (2451035876).

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

1604314332 is a wasteful number, since it uses less digits than its factorization.

1604314332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44564297 (or 44564292 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 1604314332 is about 40053.8928445164. The cubic root of 1604314332 is about 1170.6574170754.

Adding to 1604314332 its reverse (2334134061), we get a palindrome (3938448393).

The spelling of 1604314332 in words is "one billion, six hundred four million, three hundred fourteen thousand, three hundred thirty-two".