1604468620 has 24 divisors (see below), whose sum is σ = 3391704288. Its totient is φ = 637536000.

The previous prime is 1604468617. The next prime is 1604468633. The reversal of 1604468620 is 268644061.

It is a self number, because there is not a number n which added to its sum of digits gives 1604468620.

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, 262621 + ... + 268660.

It is an arithmetic number, because the mean of its divisors is an integer number (141321012).

Almost surely, 2^1604468620 is an apocalyptic number.

1604468620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1604468620 is an abundant number, since it is smaller than the sum of its proper divisors (1787235668).

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

1604468620 is a wasteful number, since it uses less digits than its factorization.

1604468620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531441 (or 531439 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 1604468620 is about 40055.8188032650. The cubic root of 1604468620 is about 1170.6949435124.

The spelling of 1604468620 in words is "one billion, six hundred four million, four hundred sixty-eight thousand, six hundred twenty".