379839 has 4 divisors (see below), whose sum is σ = 506456. Its totient is φ = 253224.

The previous prime is 379837. The next prime is 379849. The reversal of 379839 is 938973.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 379839 - 2¹ = 379837 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 379797 and 379806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379837) 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, 63304 + ... + 63309.

It is an arithmetic number, because the mean of its divisors is an integer number (126614).

2³⁷⁹⁸³⁹ is an apocalyptic number.

379839 is a deficient number, since it is larger than the sum of its proper divisors (126617).

379839 is a wasteful number, since it uses less digits than its factorization.

379839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126616.

The product of its digits is 40824, while the sum is 39.

The square root of 379839 is about 616.3107982179. The cubic root of 379839 is about 72.4213336193.

The spelling of 379839 in words is "three hundred seventy-nine thousand, eight hundred thirty-nine".