379840 has 28 divisors (see below), whose sum is σ = 905256. Its totient is φ = 151808.

The previous prime is 379837. The next prime is 379849. The reversal of 379840 is 48973.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274 + ... + 913.

2³⁷⁹⁸⁴⁰ is an apocalyptic number.

It is an amenable number.

379840 is an abundant number, since it is smaller than the sum of its proper divisors (525416).

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

379840 is a wasteful number, since it uses less digits than its factorization.

379840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204 (or 1194 counting only the distinct ones).

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

The square root of 379840 is about 616.3116094964. The cubic root of 379840 is about 72.4213971737.

The spelling of 379840 in words is "three hundred seventy-nine thousand, eight hundred forty".