34001239 has 2 divisors, whose sum is σ = 34001240. Its totient is φ = 34001238.

The previous prime is 34001183. The next prime is 34001243. The reversal of 34001239 is 93210043.

It is a strong prime.

It is an emirp because it is prime and its reverse (93210043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34001239 - 2¹¹ = 33999191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34001269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17000619 + 17000620.

It is an arithmetic number, because the mean of its divisors is an integer number (17000620).

Almost surely, 2^34001239 is an apocalyptic number.

34001239 is a deficient number, since it is larger than the sum of its proper divisors (1).

34001239 is an equidigital number, since it uses as much as digits as its factorization.

34001239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 34001239 is about 5831.0581372509. The cubic root of 34001239 is about 323.9651152555.

The spelling of 34001239 in words is "thirty-four million, one thousand, two hundred thirty-nine".