390063 has 4 divisors (see below), whose sum is σ = 520088. Its totient is φ = 260040.

The previous prime is 390043. The next prime is 390067. The reversal of 390063 is 360093.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 390063 - 2⁶ = 389999 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65008 + ... + 65013.

It is an arithmetic number, because the mean of its divisors is an integer number (130022).

2³⁹⁰⁰⁶³ is an apocalyptic number.

390063 is a deficient number, since it is larger than the sum of its proper divisors (130025).

390063 is a wasteful number, since it uses less digits than its factorization.

390063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130024.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 390063 is about 624.5502381714. The cubic root of 390063 is about 73.0653696061.

The spelling of 390063 in words is "three hundred ninety thousand, sixty-three".