1304456404 has 6 divisors (see below), whose sum is σ = 2282798714. Its totient is φ = 652228200.

The previous prime is 1304456371. The next prime is 1304456441. The reversal of 1304456404 is 4046544031.

It can be written as a sum of positive squares in only one way, i.e., 915183504 + 389272900 = 30252^2 + 19730^2 .

It is a super-2 number, since 2×1304456404² = 3403213019873222432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163057047 + ... + 163057054.

Almost surely, 2^1304456404 is an apocalyptic number.

It is an amenable number.

1304456404 is a deficient number, since it is larger than the sum of its proper divisors (978342310).

1304456404 is a wasteful number, since it uses less digits than its factorization.

1304456404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326114105 (or 326114103 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 1304456404 is about 36117.2590875886. The cubic root of 1304456404 is about 1092.6385601357.

The spelling of 1304456404 in words is "one billion, three hundred four million, four hundred fifty-six thousand, four hundred four".