1304163984 has 20 divisors (see below), whose sum is σ = 3369090416. Its totient is φ = 434721312.

The previous prime is 1304163983. The next prime is 1304164003. The reversal of 1304163984 is 4893614031.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1304163983) 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, 13584994 + ... + 13585089.

Almost surely, 2^1304163984 is an apocalyptic number.

It is an amenable number.

1304163984 is an abundant number, since it is smaller than the sum of its proper divisors (2064926432).

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

1304163984 is a wasteful number, since it uses less digits than its factorization.

1304163984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27170094 (or 27170088 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 1304163984 is about 36113.2106575973. The cubic root of 1304163984 is about 1092.5569084366.

The spelling of 1304163984 in words is "one billion, three hundred four million, one hundred sixty-three thousand, nine hundred eighty-four".