390916606 has 16 divisors (see below), whose sum is σ = 598004064. Its totient is φ = 191614464.

The previous prime is 390916601. The next prime is 390916613. The reversal of 390916606 is 606619093.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390916601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16366 + ... + 32398.

It is an arithmetic number, because the mean of its divisors is an integer number (37375254).

Almost surely, 2^390916606 is an apocalyptic number.

390916606 is a deficient number, since it is larger than the sum of its proper divisors (207087458).

390916606 is a wasteful number, since it uses less digits than its factorization.

390916606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16275.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 390916606 is about 19771.6111129063. The cubic root of 390916606 is about 731.1862903465.

The spelling of 390916606 in words is "three hundred ninety million, nine hundred sixteen thousand, six hundred six".