1604641324 has 96 divisors (see below), whose sum is σ = 3391847424. Its totient is φ = 654635520.

The previous prime is 1604641319. The next prime is 1604641331. The reversal of 1604641324 is 4231464061.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3465517 + ... + 3465979.

It is an arithmetic number, because the mean of its divisors is an integer number (35331744).

Almost surely, 2^1604641324 is an apocalyptic number.

It is an amenable number.

1604641324 is an abundant number, since it is smaller than the sum of its proper divisors (1787206100).

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

1604641324 is a wasteful number, since it uses less digits than its factorization.

1604641324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 1604641324 is about 40057.9745369134. The cubic root of 1604641324 is about 1170.7369462962.

The spelling of 1604641324 in words is "one billion, six hundred four million, six hundred forty-one thousand, three hundred twenty-four".