390858382 has 8 divisors (see below), whose sum is σ = 587624400. Its totient is φ = 194983584.

The previous prime is 390858359. The next prime is 390858383. The reversal of 390858382 is 283858093.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390858383) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 221707 + ... + 223462.

It is an arithmetic number, because the mean of its divisors is an integer number (73453050).

Almost surely, 2^390858382 is an apocalyptic number.

390858382 is a deficient number, since it is larger than the sum of its proper divisors (196766018).

390858382 is a wasteful number, since it uses less digits than its factorization.

390858382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445610.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 390858382 is about 19770.1386439246. The cubic root of 390858382 is about 731.1499870329.

The spelling of 390858382 in words is "three hundred ninety million, eight hundred fifty-eight thousand, three hundred eighty-two".