379309 has 6 divisors (see below), whose sum is σ = 441294. Its totient is φ = 325080.

The previous prime is 379307. The next prime is 379319. The reversal of 379309 is 903973.

379309 is nontrivially palindromic in base 6.

It can be written as a sum of positive squares in only one way, i.e., 275625 + 103684 = 525^2 + 322^2 .

It is not a de Polignac number, because 379309 - 2¹ = 379307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379307) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3822 + ... + 3919.

It is an arithmetic number, because the mean of its divisors is an integer number (73549).

2³⁷⁹³⁰⁹ is an apocalyptic number.

It is an amenable number.

379309 is a deficient number, since it is larger than the sum of its proper divisors (61985).

379309 is an equidigital number, since it uses as much as digits as its factorization.

379309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7755 (or 7748 counting only the distinct ones).

The product of its (nonzero) digits is 5103, while the sum is 31.

The square root of 379309 is about 615.8806702601. The cubic root of 379309 is about 72.3876341018.

The spelling of 379309 in words is "three hundred seventy-nine thousand, three hundred nine".