1304396634 has 8 divisors (see below), whose sum is σ = 2608793280. Its totient is φ = 434798876.

The previous prime is 1304396633. The next prime is 1304396647. The reversal of 1304396634 is 4366934031.

It is a sphenic number, since it is the product of 3 distinct primes.

1304396634 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1304396592 and 1304396601.

It is not an unprimeable number, because it can be changed into a prime (1304396633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108699714 + ... + 108699725.

It is an arithmetic number, because the mean of its divisors is an integer number (326099160).

Almost surely, 2^1304396634 is an apocalyptic number.

1304396634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1304396634 is a wasteful number, since it uses less digits than its factorization.

1304396634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217399444.

The product of its (nonzero) digits is 139968, while the sum is 39.

The square root of 1304396634 is about 36116.4316343683. The cubic root of 1304396634 is about 1092.6218717016.

The spelling of 1304396634 in words is "one billion, three hundred four million, three hundred ninety-six thousand, six hundred thirty-four".