1604617332 has 24 divisors (see below), whose sum is σ = 3845300256. Its totient is φ = 520416288.

The previous prime is 1604617331. The next prime is 1604617367. The reversal of 1604617332 is 2337164061.

It is a junction number, because it is equal to n+sod(n) for n = 1604617293 and 1604617302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604617331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1806558 + ... + 1807445.

It is an arithmetic number, because the mean of its divisors is an integer number (160220844).

Almost surely, 2^1604617332 is an apocalyptic number.

1604617332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1604617332 is an abundant number, since it is smaller than the sum of its proper divisors (2240682924).

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

1604617332 is a wasteful number, since it uses less digits than its factorization.

1604617332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614047 (or 3614045 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 1604617332 is about 40057.6750698290. The cubic root of 1604617332 is about 1170.7311114593.

The spelling of 1604617332 in words is "one billion, six hundred four million, six hundred seventeen thousand, three hundred thirty-two".