1604381796 has 24 divisors (see below), whose sum is σ = 4159508640. Its totient is φ = 534793896.

The previous prime is 1604381789. The next prime is 1604381837. The reversal of 1604381796 is 6971834061.

It is a happy number.

1604381796 is a `hidden beast` number, since 1 + 604 + 38 + 1 + 7 + 9 + 6 = 666.

1604381796 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1604381796³ (a number of 29 digits) contains 333 as substring.

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, 7427586 + ... + 7427801.

It is an arithmetic number, because the mean of its divisors is an integer number (173312860).

Almost surely, 2^1604381796 is an apocalyptic number.

It is an amenable number.

1604381796 is an abundant number, since it is smaller than the sum of its proper divisors (2555126844).

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

1604381796 is a wasteful number, since it uses less digits than its factorization.

1604381796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14855400 (or 14855392 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1604381796 is about 40054.7350009958. The cubic root of 1604381796 is about 1170.6738261883.

The spelling of 1604381796 in words is "one billion, six hundred four million, three hundred eighty-one thousand, seven hundred ninety-six".