368639984 has 20 divisors (see below), whose sum is σ = 714537600. Its totient is φ = 184243200.

The previous prime is 368639983. The next prime is 368640017. The reversal of 368639984 is 489936863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368639981) 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, 74384 + ... + 79184.

It is an arithmetic number, because the mean of its divisors is an integer number (35726880).

Almost surely, 2^368639984 is an apocalyptic number.

It is an amenable number.

368639984 is a deficient number, since it is larger than the sum of its proper divisors (345897616).

368639984 is a wasteful number, since it uses less digits than its factorization.

368639984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9608 (or 9602 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 56.

The square root of 368639984 is about 19199.9995833333. Note that the first 3 decimals coincide. The cubic root of 368639984 is about 717.0247490755.

The spelling of 368639984 in words is "three hundred sixty-eight million, six hundred thirty-nine thousand, nine hundred eighty-four".