390579680 has 24 divisors (see below), whose sum is σ = 922744872. Its totient is φ = 156231808.

The previous prime is 390579677. The next prime is 390579689. The reversal of 390579680 is 86975093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390579689) 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, 1220402 + ... + 1220721.

It is an arithmetic number, because the mean of its divisors is an integer number (38447703).

Almost surely, 2^390579680 is an apocalyptic number.

It is an amenable number.

390579680 is an abundant number, since it is smaller than the sum of its proper divisors (532165192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

390579680 is a wasteful number, since it uses less digits than its factorization.

390579680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441138 (or 2441130 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 390579680 is about 19763.0888274075. The cubic root of 390579680 is about 730.9761632766.

The spelling of 390579680 in words is "three hundred ninety million, five hundred seventy-nine thousand, six hundred eighty".