34401239 has 2 divisors, whose sum is σ = 34401240. Its totient is φ = 34401238.

The previous prime is 34401181. The next prime is 34401271. The reversal of 34401239 is 93210443.

It is a strong prime.

It is an emirp because it is prime and its reverse (93210443) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34401239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34401299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17200619 + 17200620.

It is an arithmetic number, because the mean of its divisors is an integer number (17200620).

Almost surely, 2^34401239 is an apocalyptic number.

34401239 is a deficient number, since it is larger than the sum of its proper divisors (1).

34401239 is an equidigital number, since it uses as much as digits as its factorization.

34401239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 34401239 is about 5865.2569423683. The cubic root of 34401239 is about 325.2305708998.

The spelling of 34401239 in words is "thirty-four million, four hundred one thousand, two hundred thirty-nine".