1304319892 has 12 divisors (see below), whose sum is σ = 2361268980. Its totient is φ = 629671616.

The previous prime is 1304319869. The next prime is 1304319899. The reversal of 1304319892 is 2989134031.

It can be written as a sum of positive squares in 2 ways, for example, as 313077636 + 991242256 = 17694^2 + 31484^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304319899) 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, 5621953 + ... + 5622184.

It is an arithmetic number, because the mean of its divisors is an integer number (196772415).

Almost surely, 2^1304319892 is an apocalyptic number.

It is an amenable number.

1304319892 is a deficient number, since it is larger than the sum of its proper divisors (1056949088).

1304319892 is a wasteful number, since it uses less digits than its factorization.

1304319892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11244170 (or 11244168 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 1304319892 is about 36115.3691937380. The cubic root of 1304319892 is about 1092.6004437530.

The spelling of 1304319892 in words is "one billion, three hundred four million, three hundred nineteen thousand, eight hundred ninety-two".