390441399 has 8 divisors (see below), whose sum is σ = 543222912. Its totient is φ = 248977080.

The previous prime is 390441377. The next prime is 390441479. The reversal of 390441399 is 993144093.

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

It is not a de Polignac number, because 390441399 - 2⁵ = 390441367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 390441399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390440399) by changing a digit.

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, 2829217 + ... + 2829354.

It is an arithmetic number, because the mean of its divisors is an integer number (67902864).

Almost surely, 2^390441399 is an apocalyptic number.

390441399 is a deficient number, since it is larger than the sum of its proper divisors (152781513).

390441399 is a wasteful number, since it uses less digits than its factorization.

390441399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5658597.

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 390441399 is about 19759.5900514155. The cubic root of 390441399 is about 730.8898880545.

The spelling of 390441399 in words is "three hundred ninety million, four hundred forty-one thousand, three hundred ninety-nine".