390788355 has 8 divisors (see below), whose sum is σ = 625261392. Its totient is φ = 208420448.

The previous prime is 390788341. The next prime is 390788383. The reversal of 390788355 is 553887093.

It is a happy number.

390788355 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 390788355 - 2⁷ = 390788227 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13026264 + ... + 13026293.

It is an arithmetic number, because the mean of its divisors is an integer number (78157674).

Almost surely, 2^390788355 is an apocalyptic number.

390788355 is a deficient number, since it is larger than the sum of its proper divisors (234473037).

390788355 is a wasteful number, since it uses less digits than its factorization.

390788355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26052565.

The product of its (nonzero) digits is 907200, while the sum is 48.

The square root of 390788355 is about 19768.3675350293. The cubic root of 390788355 is about 731.1063196412.

The spelling of 390788355 in words is "three hundred ninety million, seven hundred eighty-eight thousand, three hundred fifty-five".