1304023972 has 6 divisors (see below), whose sum is σ = 2282041958. Its totient is φ = 652011984.

The previous prime is 1304023949. The next prime is 1304023997. The reversal of 1304023972 is 2793204031.

It can be written as a sum of positive squares in only one way, i.e., 1282642596 + 21381376 = 35814^2 + 4624^2 .

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 as a sum of consecutive naturals, namely, 163002993 + ... + 163003000.

Almost surely, 2^1304023972 is an apocalyptic number.

It is an amenable number.

1304023972 is a deficient number, since it is larger than the sum of its proper divisors (978017986).

1304023972 is a wasteful number, since it uses less digits than its factorization.

1304023972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326005997 (or 326005995 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 1304023972 is about 36111.2720905814. The cubic root of 1304023972 is about 1092.5178089178.

The spelling of 1304023972 in words is "one billion, three hundred four million, twenty-three thousand, nine hundred seventy-two".