390051 has 12 divisors (see below), whose sum is σ = 593320. Its totient is φ = 246240.

The previous prime is 390043. The next prime is 390067. The reversal of 390051 is 150093.

It is not a de Polignac number, because 390051 - 2³ = 390043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (390001) 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, 970 + ... + 1311.

2³⁹⁰⁰⁵¹ is an apocalyptic number.

390051 is a deficient number, since it is larger than the sum of its proper divisors (203269).

390051 is a wasteful number, since it uses less digits than its factorization.

390051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306 (or 2303 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 390051 is about 624.5406311842. The cubic root of 390051 is about 73.0646203311.

The spelling of 390051 in words is "three hundred ninety thousand, fifty-one".