390038 has 8 divisors (see below), whose sum is σ = 638280. Its totient is φ = 177280.

The previous prime is 390001. The next prime is 390043. The reversal of 390038 is 830093.

390038 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 389995 and 390022.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 390038.

It is an unprimeable number.

390038 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8843 + ... + 8886.

It is an arithmetic number, because the mean of its divisors is an integer number (79785).

2³⁹⁰⁰³⁸ is an apocalyptic number.

390038 is a deficient number, since it is larger than the sum of its proper divisors (248242).

390038 is a wasteful number, since it uses less digits than its factorization.

390038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17742.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 390038 is about 624.5302234480. The cubic root of 390038 is about 73.0638085991.

The spelling of 390038 in words is "three hundred ninety thousand, thirty-eight".