390885883 has 4 divisors (see below), whose sum is σ = 393375760. Its totient is φ = 388396008.

The previous prime is 390885877. The next prime is 390885889. The reversal of 390885883 is 388588093.

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

It is an interprime number because it is at equal distance from previous prime (390885877) and next prime (390885889).

It is a cyclic number.

It is not a de Polignac number, because 390885883 - 2¹⁷ = 390754811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 390885883.

It is not an unprimeable number, because it can be changed into a prime (390885889) 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, 1244703 + ... + 1245016.

It is an arithmetic number, because the mean of its divisors is an integer number (98343940).

Almost surely, 2^390885883 is an apocalyptic number.

390885883 is a deficient number, since it is larger than the sum of its proper divisors (2489877).

390885883 is a wasteful number, since it uses less digits than its factorization.

390885883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489876.

The product of its (nonzero) digits is 1658880, while the sum is 52.

The square root of 390885883 is about 19770.8341503337. The cubic root of 390885883 is about 731.1671346624.

The spelling of 390885883 in words is "three hundred ninety million, eight hundred eighty-five thousand, eight hundred eighty-three".