379779 has 8 divisors (see below), whose sum is σ = 513792. Its totient is φ = 249480.

The previous prime is 379777. The next prime is 379787. The reversal of 379779 is 977973.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 379779 - 2¹ = 379777 is a prime.

379779 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 379779.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 379779.

It is not an unprimeable number, because it can be changed into a prime (379777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679 + ... + 1104.

It is an arithmetic number, because the mean of its divisors is an integer number (64224).

2³⁷⁹⁷⁷⁹ is an apocalyptic number.

379779 is a deficient number, since it is larger than the sum of its proper divisors (134013).

379779 is a wasteful number, since it uses less digits than its factorization.

379779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857.

The product of its digits is 83349, while the sum is 42.

The square root of 379779 is about 616.2621195563. The cubic root of 379779 is about 72.4175201538.

The spelling of 379779 in words is "three hundred seventy-nine thousand, seven hundred seventy-nine".