1304232016 has 20 divisors (see below), whose sum is σ = 2561567572. Its totient is φ = 643182336.

The previous prime is 1304232001. The next prime is 1304232071. The reversal of 1304232016 is 6102324031.

It can be written as a sum of positive squares in 2 ways, for example, as 267649600 + 1036582416 = 16360^2 + 32196^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557151 + ... + 559486.

Almost surely, 2^1304232016 is an apocalyptic number.

1304232016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1304232016 is a deficient number, since it is larger than the sum of its proper divisors (1257335556).

1304232016 is a wasteful number, since it uses less digits than its factorization.

1304232016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116718 (or 1116712 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1304232016 is about 36114.1525720873. The cubic root of 1304232016 is about 1092.5759059297.

Adding to 1304232016 its reverse (6102324031), we get a palindrome (7406556047).

The spelling of 1304232016 in words is "one billion, three hundred four million, two hundred thirty-two thousand, sixteen".