1604326000 has 40 divisors (see below), whose sum is σ = 3879265104. Its totient is φ = 641729600.

The previous prime is 1604325977. The next prime is 1604326019. The reversal of 1604326000 is 6234061.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 399082 + ... + 403081.

Almost surely, 2^1604326000 is an apocalyptic number.

1604326000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1604326000 is an abundant number, since it is smaller than the sum of its proper divisors (2274939104).

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

1604326000 is an equidigital number, since it uses as much as digits as its factorization.

1604326000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802186 (or 802170 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1604326000 is about 40054.0384980092. The cubic root of 1604326000 is about 1170.6602550890.

The spelling of 1604326000 in words is "one billion, six hundred four million, three hundred twenty-six thousand".