390044 has 6 divisors (see below), whose sum is σ = 682584. Its totient is φ = 195020.

The previous prime is 390043. The next prime is 390067. The reversal of 390044 is 440093.

It is a junction number, because it is equal to n+sod(n) for n = 389998 and 390025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48752 + ... + 48759.

It is an arithmetic number, because the mean of its divisors is an integer number (113764).

2³⁹⁰⁰⁴⁴ is an apocalyptic number.

It is an amenable number.

390044 is a deficient number, since it is larger than the sum of its proper divisors (292540).

390044 is a wasteful number, since it uses less digits than its factorization.

390044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97515 (or 97513 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 390044 is about 624.5350270401. The cubic root of 390044 is about 73.0641832469.

The spelling of 390044 in words is "three hundred ninety thousand, forty-four".