390056083 has 4 divisors (see below), whose sum is σ = 399569688. Its totient is φ = 380542480.

The previous prime is 390056081. The next prime is 390056113. The reversal of 390056083 is 380650093.

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

It is a cyclic number.

It is not a de Polignac number, because 390056083 - 2¹ = 390056081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (390056081) 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 3 ways as a sum of consecutive naturals, for example, 4756741 + ... + 4756822.

It is an arithmetic number, because the mean of its divisors is an integer number (99892422).

Almost surely, 2^390056083 is an apocalyptic number.

390056083 is a deficient number, since it is larger than the sum of its proper divisors (9513605).

390056083 is an equidigital number, since it uses as much as digits as its factorization.

390056083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9513604.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 390056083 is about 19749.8375436356. The cubic root of 390056083 is about 730.6493771337.

The spelling of 390056083 in words is "three hundred ninety million, fifty-six thousand, eighty-three".