390866116 has 6 divisors (see below), whose sum is σ = 684015710. Its totient is φ = 195433056.

The previous prime is 390866107. The next prime is 390866123. The reversal of 390866116 is 611668093.

It can be written as a sum of positive squares in only one way, i.e., 217680516 + 173185600 = 14754^2 + 13160^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48858261 + ... + 48858268.

Almost surely, 2^390866116 is an apocalyptic number.

It is an amenable number.

390866116 is a deficient number, since it is larger than the sum of its proper divisors (293149594).

390866116 is a wasteful number, since it uses less digits than its factorization.

390866116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97716533 (or 97716531 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 390866116 is about 19770.3342409783. The cubic root of 390866116 is about 731.1548094758.

The spelling of 390866116 in words is "three hundred ninety million, eight hundred sixty-six thousand, one hundred sixteen".