34001839 has 2 divisors, whose sum is σ = 34001840. Its totient is φ = 34001838.

The previous prime is 34001831. The next prime is 34001857. The reversal of 34001839 is 93810043.

It is a weak prime.

It is an emirp because it is prime and its reverse (93810043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34001839 - 2³ = 34001831 is a prime.

It is a super-2 number, since 2×34001839² = 2312250110763842, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34001831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17000919 + 17000920.

It is an arithmetic number, because the mean of its divisors is an integer number (17000920).

Almost surely, 2^34001839 is an apocalyptic number.

34001839 is a deficient number, since it is larger than the sum of its proper divisors (1).

34001839 is an equidigital number, since it uses as much as digits as its factorization.

34001839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 34001839 is about 5831.1095856621. The cubic root of 34001839 is about 323.9670208520.

The spelling of 34001839 in words is "thirty-four million, one thousand, eight hundred thirty-nine".