390983 has 8 divisors (see below), whose sum is σ = 419760. Its totient is φ = 362880.

The previous prime is 390967. The next prime is 390989. The reversal of 390983 is 389093.

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

It is a cyclic number.

It is not a de Polignac number, because 390983 - 2⁴ = 390967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390989) 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, 1748 + ... + 1958.

It is an arithmetic number, because the mean of its divisors is an integer number (52470).

2³⁹⁰⁹⁸³ is an apocalyptic number.

390983 is a deficient number, since it is larger than the sum of its proper divisors (28777).

390983 is a wasteful number, since it uses less digits than its factorization.

390983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 390983 is about 625.2863344101. The cubic root of 390983 is about 73.1227683347.

The spelling of 390983 in words is "three hundred ninety thousand, nine hundred eighty-three".