390576685 has 8 divisors (see below), whose sum is σ = 489070080. Its totient is φ = 298875984.

The previous prime is 390576679. The next prime is 390576743. The reversal of 390576685 is 586675093.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 390576685 - 2³ = 390576677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1698045 + ... + 1698274.

It is an arithmetic number, because the mean of its divisors is an integer number (61133760).

Almost surely, 2^390576685 is an apocalyptic number.

It is an amenable number.

390576685 is a deficient number, since it is larger than the sum of its proper divisors (98493395).

390576685 is a wasteful number, since it uses less digits than its factorization.

390576685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396347.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The square root of 390576685 is about 19763.0130546939. The cubic root of 390576685 is about 730.9742948749.

The spelling of 390576685 in words is "three hundred ninety million, five hundred seventy-six thousand, six hundred eighty-five".