1304247386 has 16 divisors (see below), whose sum is σ = 2112947424. Its totient is φ = 600221424.

The previous prime is 1304247379. The next prime is 1304247401. The reversal of 1304247386 is 6837424031.

It is a super-2 number, since 2×1304247386² = 3402122487775665992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63260 + ... + 81303.

It is an arithmetic number, because the mean of its divisors is an integer number (132059214).

Almost surely, 2^1304247386 is an apocalyptic number.

1304247386 is a deficient number, since it is larger than the sum of its proper divisors (808700038).

1304247386 is a wasteful number, since it uses less digits than its factorization.

1304247386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144925.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 1304247386 is about 36114.3653689221. The cubic root of 1304247386 is about 1092.5801978107.

The spelling of 1304247386 in words is "one billion, three hundred four million, two hundred forty-seven thousand, three hundred eighty-six".