34399247 has 2 divisors, whose sum is σ = 34399248. Its totient is φ = 34399246.

The previous prime is 34399223. The next prime is 34399259. The reversal of 34399247 is 74299343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34399247 - 2¹⁰ = 34398223 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34399217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17199623 + 17199624.

It is an arithmetic number, because the mean of its divisors is an integer number (17199624).

Almost surely, 2^34399247 is an apocalyptic number.

34399247 is a deficient number, since it is larger than the sum of its proper divisors (1).

34399247 is an equidigital number, since it uses as much as digits as its factorization.

34399247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 41.

The square root of 34399247 is about 5865.0871263776. The cubic root of 34399247 is about 325.2242932984.

The spelling of 34399247 in words is "thirty-four million, three hundred ninety-nine thousand, two hundred forty-seven".