1904004836 has 12 divisors (see below), whose sum is σ = 3340710912. Its totient is φ = 949516008.

The previous prime is 1904004829. The next prime is 1904004881. The reversal of 1904004836 is 6384004091.

It is a super-2 number, since 2×1904004836² = 7250468831022773792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1904004796 and 1904004805.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619880 + ... + 622943.

It is an arithmetic number, because the mean of its divisors is an integer number (278392576).

Almost surely, 2^1904004836 is an apocalyptic number.

It is an amenable number.

1904004836 is a deficient number, since it is larger than the sum of its proper divisors (1436706076).

1904004836 is a wasteful number, since it uses less digits than its factorization.

1904004836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243210 (or 1243208 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 1904004836 is about 43634.9038729318. The cubic root of 1904004836 is about 1239.4319362974.

The spelling of 1904004836 in words is "one billion, nine hundred four million, four thousand, eight hundred thirty-six".