390618076 has 6 divisors (see below), whose sum is σ = 683581640. Its totient is φ = 195309036.

The previous prime is 390618071. The next prime is 390618077. The reversal of 390618076 is 670816093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390618071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48827256 + ... + 48827263.

Almost surely, 2^390618076 is an apocalyptic number.

It is an amenable number.

390618076 is a deficient number, since it is larger than the sum of its proper divisors (292963564).

390618076 is a wasteful number, since it uses less digits than its factorization.

390618076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97654523 (or 97654521 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 390618076 is about 19764.0602103920. The cubic root of 390618076 is about 731.0001154026. Note that the first 3 decimals are identical.

The spelling of 390618076 in words is "three hundred ninety million, six hundred eighteen thousand, seventy-six".