1604744012 has 6 divisors (see below), whose sum is σ = 2808302028. Its totient is φ = 802372004.

The previous prime is 1604744003. The next prime is 1604744027. The reversal of 1604744012 is 2104474061.

It is a happy number.

It is a super-2 number, since 2×1604744012² = 5150406688099712288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200592998 + ... + 200593005.

It is an arithmetic number, because the mean of its divisors is an integer number (468050338).

Almost surely, 2^1604744012 is an apocalyptic number.

It is an amenable number.

1604744012 is a deficient number, since it is larger than the sum of its proper divisors (1203558016).

1604744012 is a wasteful number, since it uses less digits than its factorization.

1604744012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401186007 (or 401186005 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 1604744012 is about 40059.2562586976. The cubic root of 1604744012 is about 1170.7619192853.

The spelling of 1604744012 in words is "one billion, six hundred four million, seven hundred forty-four thousand, twelve".