379805 has 8 divisors (see below), whose sum is σ = 468312. Its totient is φ = 295488.

The previous prime is 379787. The next prime is 379811. The reversal of 379805 is 508973.

It can be written as a sum of positive squares in 4 ways, for example, as 106276 + 273529 = 326^2 + 523^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 379805 - 2⁸ = 379549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842 + ... + 1211.

It is an arithmetic number, because the mean of its divisors is an integer number (58539).

2³⁷⁹⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

379805 is a deficient number, since it is larger than the sum of its proper divisors (88507).

379805 is a wasteful number, since it uses less digits than its factorization.

379805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 379805 is about 616.2832141151. The cubic root of 379805 is about 72.4191727048.

The spelling of 379805 in words is "three hundred seventy-nine thousand, eight hundred five".