1304638968 has 32 divisors (see below), whose sum is σ = 3366812160. Its totient is φ = 420851040.

The previous prime is 1304638961. The next prime is 1304639023. The reversal of 1304638968 is 8698364031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304638961) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 876030 + ... + 877517.

It is an arithmetic number, because the mean of its divisors is an integer number (105212880).

Almost surely, 2^1304638968 is an apocalyptic number.

It is an amenable number.

1304638968 is an abundant number, since it is smaller than the sum of its proper divisors (2062173192).

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

1304638968 is a wasteful number, since it uses less digits than its factorization.

1304638968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753587 (or 1753583 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 1304638968 is about 36119.7863781058. The cubic root of 1304638968 is about 1092.6895308339.

The spelling of 1304638968 in words is "one billion, three hundred four million, six hundred thirty-eight thousand, nine hundred sixty-eight".