1304016404 has 12 divisors (see below), whose sum is σ = 2283407700. Its totient is φ = 651614208.

The previous prime is 1304016347. The next prime is 1304016479. The reversal of 1304016404 is 4046104031.

It can be written as a sum of positive squares in 2 ways, for example, as 727920400 + 576096004 = 26980^2 + 24002^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1304016404.

It is a congruent number.

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, 90989 + ... + 104340.

It is an arithmetic number, because the mean of its divisors is an integer number (190283975).

Almost surely, 2^1304016404 is an apocalyptic number.

It is an amenable number.

1304016404 is a deficient number, since it is larger than the sum of its proper divisors (979391296).

1304016404 is a wasteful number, since it uses less digits than its factorization.

1304016404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197002 (or 197000 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1304016404 is about 36111.1673032041. The cubic root of 1304016404 is about 1092.5156954110.

The spelling of 1304016404 in words is "one billion, three hundred four million, sixteen thousand, four hundred four".