390736966 has 4 divisors (see below), whose sum is σ = 586105452. Its totient is φ = 195368482.

The previous prime is 390736933. The next prime is 390737003. The reversal of 390736966 is 669637093.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97684240 + ... + 97684243.

It is an arithmetic number, because the mean of its divisors is an integer number (146526363).

Almost surely, 2^390736966 is an apocalyptic number.

390736966 is a deficient number, since it is larger than the sum of its proper divisors (195368486).

390736966 is a wasteful number, since it uses less digits than its factorization.

390736966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195368485.

The product of its (nonzero) digits is 1102248, while the sum is 49.

The square root of 390736966 is about 19767.0677137506. The cubic root of 390736966 is about 731.0742712028.

The spelling of 390736966 in words is "three hundred ninety million, seven hundred thirty-six thousand, nine hundred sixty-six".