4239379 has 2 divisors, whose sum is σ = 4239380. Its totient is φ = 4239378.

The previous prime is 4239373. The next prime is 4239397. The reversal of 4239379 is 9739324.

Together with next prime (4239397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4239379 - 2³ = 4239371 is a prime.

It is not a weakly prime, because it can be changed into another prime (4239371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2119689 + 2119690.

It is an arithmetic number, because the mean of its divisors is an integer number (2119690).

Almost surely, 2^4239379 is an apocalyptic number.

4239379 is a deficient number, since it is larger than the sum of its proper divisors (1).

4239379 is an equidigital number, since it uses as much as digits as its factorization.

4239379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 37.

The square root of 4239379 is about 2058.9752305455. The cubic root of 4239379 is about 161.8455444981.

Subtracting 4239379 from its reverse (9739324), we obtain a palindrome (5499945).

The spelling of 4239379 in words is "four million, two hundred thirty-nine thousand, three hundred seventy-nine".