379820 has 24 divisors (see below), whose sum is σ = 911904. Its totient is φ = 130176.

The previous prime is 379817. The next prime is 379837. The reversal of 379820 is 28973.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 379820.

It is an unprimeable 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 7 ways as a sum of consecutive naturals, for example, 1217 + ... + 1496.

It is an arithmetic number, because the mean of its divisors is an integer number (37996).

2³⁷⁹⁸²⁰ is an apocalyptic number.

It is an amenable number.

379820 is an abundant number, since it is smaller than the sum of its proper divisors (532084).

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

379820 is a wasteful number, since it uses less digits than its factorization.

379820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729 (or 2727 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 379820 is about 616.2953837244. The cubic root of 379820 is about 72.4201260654.

The spelling of 379820 in words is "three hundred seventy-nine thousand, eight hundred twenty".