390190 has 8 divisors (see below), whose sum is σ = 702360. Its totient is φ = 156072.

The previous prime is 390161. The next prime is 390191. The reversal of 390190 is 91093.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×390190² = 304496472200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390191) by changing a digit.

390190 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 3 ways as a sum of consecutive naturals, for example, 19500 + ... + 19519.

It is an arithmetic number, because the mean of its divisors is an integer number (87795).

2³⁹⁰¹⁹⁰ is an apocalyptic number.

390190 is a deficient number, since it is larger than the sum of its proper divisors (312170).

390190 is a wasteful number, since it uses less digits than its factorization.

390190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39026.

The product of its (nonzero) digits is 243, while the sum is 22.

The square root of 390190 is about 624.6519030628. The cubic root of 390190 is about 73.0732984920.

The spelling of 390190 in words is "three hundred ninety thousand, one hundred ninety".