368980816 has 20 divisors (see below), whose sum is σ = 723516192. Its totient is φ = 182266976.

The previous prime is 368980813. The next prime is 368980837. The reversal of 368980816 is 618089863.

It is a super-2 number, since 2×368980816² = 272293685152051712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 368980816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368980813) 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, 137596 + ... + 140251.

Almost surely, 2^368980816 is an apocalyptic number.

It is an amenable number.

368980816 is a deficient number, since it is larger than the sum of its proper divisors (354535376).

368980816 is a wasteful number, since it uses less digits than its factorization.

368980816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277938 (or 277932 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 368980816 is about 19208.8733662336. The cubic root of 368980816 is about 717.2456599116.

The spelling of 368980816 in words is "three hundred sixty-eight million, nine hundred eighty thousand, eight hundred sixteen".