1304390676 has 12 divisors (see below), whose sum is σ = 3043578272. Its totient is φ = 434796888.

The previous prime is 1304390663. The next prime is 1304390701. The reversal of 1304390676 is 6760934031.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54349600 + ... + 54349623.

Almost surely, 2^1304390676 is an apocalyptic number.

It is an amenable number.

1304390676 is an abundant number, since it is smaller than the sum of its proper divisors (1739187596).

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

1304390676 is a wasteful number, since it uses less digits than its factorization.

1304390676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108699230 (or 108699228 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 1304390676 is about 36116.3491510424. The cubic root of 1304390676 is about 1092.6202081353.

The spelling of 1304390676 in words is "one billion, three hundred four million, three hundred ninety thousand, six hundred seventy-six".