390736965 has 16 divisors (see below), whose sum is σ = 634511808. Its totient is φ = 205282176.

The previous prime is 390736933. The next prime is 390737003. The reversal of 390736965 is 569637093.

It is a happy number.

It is not a de Polignac number, because 390736965 - 2⁵ = 390736933 is a prime.

It is a super-2 number, since 2×390736965² = 305350751634822450, which contains 22 as substring.

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 in 15 ways as a sum of consecutive naturals, for example, 193392 + ... + 195401.

It is an arithmetic number, because the mean of its divisors is an integer number (39656988).

Almost surely, 2^390736965 is an apocalyptic number.

It is an amenable number.

390736965 is a deficient number, since it is larger than the sum of its proper divisors (243774843).

390736965 is a wasteful number, since it uses less digits than its factorization.

390736965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388868.

The product of its (nonzero) digits is 918540, while the sum is 48.

The square root of 390736965 is about 19767.0676884560. The cubic root of 390736965 is about 731.0742705791.

The spelling of 390736965 in words is "three hundred ninety million, seven hundred thirty-six thousand, nine hundred sixty-five".