1604299536 has 60 divisors (see below), whose sum is σ = 5131215232. Its totient is φ = 458371008.

The previous prime is 1604299429. The next prime is 1604299553. The reversal of 1604299536 is 6359924061.

1604299536 is a `hidden beast` number, since 1 + 604 + 2 + 9 + 9 + 5 + 36 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1604299491 and 1604299500.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 794776 + ... + 796791.

Almost surely, 2^1604299536 is an apocalyptic number.

1604299536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1604299536 is an abundant number, since it is smaller than the sum of its proper divisors (3526915696).

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

1604299536 is a wasteful number, since it uses less digits than its factorization.

1604299536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591588 (or 1591579 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 1604299536 is about 40053.7081429423. The cubic root of 1604299536 is about 1170.6538182170.

The spelling of 1604299536 in words is "one billion, six hundred four million, two hundred ninety-nine thousand, five hundred thirty-six".