439852379 has 2 divisors, whose sum is σ = 439852380. Its totient is φ = 439852378.

The previous prime is 439852349. The next prime is 439852421. The reversal of 439852379 is 973258934.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 439852379 - 2⁸ = 439852123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (439852349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219926189 + 219926190.

It is an arithmetic number, because the mean of its divisors is an integer number (219926190).

Almost surely, 2^439852379 is an apocalyptic number.

439852379 is a deficient number, since it is larger than the sum of its proper divisors (1).

439852379 is an equidigital number, since it uses as much as digits as its factorization.

439852379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 50.

The square root of 439852379 is about 20972.6578906919. The cubic root of 439852379 is about 760.5054226917.

It can be divided in two parts, 43985 and 2379, that added together give a palindrome (46364).

The spelling of 439852379 in words is "four hundred thirty-nine million, eight hundred fifty-two thousand, three hundred seventy-nine".