390089 has 12 divisors (see below), whose sum is σ = 478800. Its totient is φ = 316008.

The previous prime is 390083. The next prime is 390097. The reversal of 390089 is 980093.

It is a de Polignac number, because none of the positive numbers 2^k-390089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (390083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 722 + ... + 1140.

It is an arithmetic number, because the mean of its divisors is an integer number (39900).

2³⁹⁰⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

390089 is a deficient number, since it is larger than the sum of its proper divisors (88711).

390089 is a wasteful number, since it uses less digits than its factorization.

390089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 390089 is about 624.5710528034. The cubic root of 390089 is about 73.0669929827.

The spelling of 390089 in words is "three hundred ninety thousand, eighty-nine".