390020116 has 12 divisors (see below), whose sum is σ = 685192788. Its totient is φ = 194250752.

The previous prime is 390020051. The next prime is 390020119. The reversal of 390020116 is 611020093.

It can be written as a sum of positive squares in 2 ways, for example, as 382202500 + 7817616 = 19550^2 + 2796^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390020119) 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, 188671 + ... + 190726.

It is an arithmetic number, because the mean of its divisors is an integer number (57099399).

Almost surely, 2^390020116 is an apocalyptic number.

It is an amenable number.

390020116 is a deficient number, since it is larger than the sum of its proper divisors (295172672).

390020116 is a wasteful number, since it uses less digits than its factorization.

390020116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379658 (or 379656 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 390020116 is about 19748.9269581919. The cubic root of 390020116 is about 730.6269187616.

The spelling of 390020116 in words is "three hundred ninety million, twenty thousand, one hundred sixteen".