1604426252 has 24 divisors (see below), whose sum is σ = 3298611792. Its totient is φ = 673185600.

The previous prime is 1604426237. The next prime is 1604426261. The reversal of 1604426252 is 2526244061.

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, 1401899 + ... + 1403042.

It is an arithmetic number, because the mean of its divisors is an integer number (137442158).

Almost surely, 2^1604426252 is an apocalyptic number.

It is an amenable number.

1604426252 is an abundant number, since it is smaller than the sum of its proper divisors (1694185540).

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

1604426252 is a wasteful number, since it uses less digits than its factorization.

1604426252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804969 (or 2804967 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 1604426252 is about 40055.2899377847. The cubic root of 1604426252 is about 1170.6846388671.

The spelling of 1604426252 in words is "one billion, six hundred four million, four hundred twenty-six thousand, two hundred fifty-two".