390250 has 32 divisors (see below), whose sum is σ = 838656. Its totient is φ = 133200.

The previous prime is 390223. The next prime is 390263. The reversal of 390250 is 52093.

It is a nialpdrome in base 5.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1639 + ... + 1861.

It is an arithmetic number, because the mean of its divisors is an integer number (26208).

2³⁹⁰²⁵⁰ is an apocalyptic number.

390250 is an abundant number, since it is smaller than the sum of its proper divisors (448406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

390250 is a wasteful number, since it uses less digits than its factorization.

390250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 390250 is about 624.6999279654. The cubic root of 390250 is about 73.0770438239.

The spelling of 390250 in words is "three hundred ninety thousand, two hundred fifty".