390459 has 8 divisors (see below), whose sum is σ = 524560. Its totient is φ = 258336.

The previous prime is 390449. The next prime is 390463. The reversal of 390459 is 954093.

390459 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

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

It is not a de Polignac number, because 390459 - 2⁹ = 389947 is a prime.

It is a Duffinian number.

390459 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (390419) 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 7 ways as a sum of consecutive naturals, for example, 57 + ... + 885.

It is an arithmetic number, because the mean of its divisors is an integer number (65570).

2³⁹⁰⁴⁵⁹ is an apocalyptic number.

390459 is a deficient number, since it is larger than the sum of its proper divisors (134101).

390459 is a wasteful number, since it uses less digits than its factorization.

390459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 390459 is about 624.8671858883. The cubic root of 390459 is about 73.0900870667.

The spelling of 390459 in words is "three hundred ninety thousand, four hundred fifty-nine".