34000399 has 2 divisors, whose sum is σ = 34000400. Its totient is φ = 34000398.

The previous prime is 34000387. The next prime is 34000453. The reversal of 34000399 is 99300043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34000399 - 2¹³ = 33992207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34000319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17000199 + 17000200.

It is an arithmetic number, because the mean of its divisors is an integer number (17000200).

Almost surely, 2^34000399 is an apocalyptic number.

34000399 is a deficient number, since it is larger than the sum of its proper divisors (1).

34000399 is an equidigital number, since it uses as much as digits as its factorization.

34000399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 34000399 is about 5830.9861087127. The cubic root of 34000399 is about 323.9624473827.

The spelling of 34000399 in words is "thirty-four million, three hundred ninety-nine", and thus it is an aban number.