379005439 has 4 divisors (see below), whose sum is σ = 385429320. Its totient is φ = 372581560.

The previous prime is 379005433. The next prime is 379005443. The reversal of 379005439 is 934500973.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 934500973 = 7 ⋅133500139.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-379005439 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379005433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3211852 + ... + 3211969.

It is an arithmetic number, because the mean of its divisors is an integer number (96357330).

Almost surely, 2^379005439 is an apocalyptic number.

379005439 is a deficient number, since it is larger than the sum of its proper divisors (6423881).

379005439 is an equidigital number, since it uses as much as digits as its factorization.

379005439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6423880.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 379005439 is about 19468.0620247625. The cubic root of 379005439 is about 723.6831833978.

The spelling of 379005439 in words is "three hundred seventy-nine million, five thousand, four hundred thirty-nine".