390339 has 20 divisors (see below), whose sum is σ = 600160. Its totient is φ = 252720.

The previous prime is 390323. The next prime is 390343. The reversal of 390339 is 933093.

It is not a de Polignac number, because 390339 - 2⁴ = 390323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Duffinian number.

390339 is a lucky number.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (390359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4902 + ... + 4980.

It is an arithmetic number, because the mean of its divisors is an integer number (30008).

2³⁹⁰³³⁹ is an apocalyptic number.

390339 is a deficient number, since it is larger than the sum of its proper divisors (209821).

390339 is an equidigital number, since it uses as much as digits as its factorization.

390339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 2187, while the sum is 27.

The square root of 390339 is about 624.7711581051. The cubic root of 390339 is about 73.0825986926.

It can be divided in two parts, 390 and 339, that added together give a 6-th power (729 = 3⁶).

The spelling of 390339 in words is "three hundred ninety thousand, three hundred thirty-nine".