34394399 has 4 divisors (see below), whose sum is σ = 37040136. Its totient is φ = 31748664.

The previous prime is 34394369. The next prime is 34394413. The reversal of 34394399 is 99349343.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34394399 - 2²⁴ = 17617183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34394329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1322849 + ... + 1322874.

It is an arithmetic number, because the mean of its divisors is an integer number (9260034).

Almost surely, 2^34394399 is an apocalyptic number.

34394399 is a deficient number, since it is larger than the sum of its proper divisors (2645737).

34394399 is a wasteful number, since it uses less digits than its factorization.

34394399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645736.

The product of its digits is 314928, while the sum is 44.

The square root of 34394399 is about 5864.6738187217. The cubic root of 34394399 is about 325.2090142677.

The spelling of 34394399 in words is "thirty-four million, three hundred ninety-four thousand, three hundred ninety-nine".