380990 has 16 divisors (see below), whose sum is σ = 708480. Its totient is φ = 147360.

The previous prime is 380983. The next prime is 381001. The reversal of 380990 is 99083.

380990 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305 + ... + 924.

It is an arithmetic number, because the mean of its divisors is an integer number (44280).

2³⁸⁰⁹⁹⁰ is an apocalyptic number.

380990 is a deficient number, since it is larger than the sum of its proper divisors (327490).

380990 is a wasteful number, since it uses less digits than its factorization.

380990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 380990 is about 617.2438740077. The cubic root of 380990 is about 72.4944109841.

The spelling of 380990 in words is "three hundred eighty thousand, nine hundred ninety".