384790 has 32 divisors (see below), whose sum is σ = 829440. Its totient is φ = 125664.

The previous prime is 384779. The next prime is 384817. The reversal of 384790 is 97483.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

384790 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 15 ways as a sum of consecutive naturals, for example, 1491 + ... + 1729.

It is an arithmetic number, because the mean of its divisors is an integer number (25920).

2³⁸⁴⁷⁹⁰ is an apocalyptic number.

384790 is an abundant number, since it is smaller than the sum of its proper divisors (444650).

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

384790 is a wasteful number, since it uses less digits than its factorization.

384790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 384790 is about 620.3144363950. The cubic root of 384790 is about 72.7346341980.

The spelling of 384790 in words is "three hundred eighty-four thousand, seven hundred ninety".