34387399 has 4 divisors (see below), whose sum is σ = 34560400. Its totient is φ = 34214400.

The previous prime is 34387391. The next prime is 34387421. The reversal of 34387399 is 99378343.

34387399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 34387399 - 2³ = 34387391 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 (34387391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86202 + ... + 86599.

It is an arithmetic number, because the mean of its divisors is an integer number (8640100).

Almost surely, 2^34387399 is an apocalyptic number.

34387399 is a deficient number, since it is larger than the sum of its proper divisors (173001).

34387399 is a wasteful number, since it uses less digits than its factorization.

34387399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173000.

The product of its digits is 489888, while the sum is 46.

The square root of 34387399 is about 5864.0769947196. The cubic root of 34387399 is about 325.1869504277.

The spelling of 34387399 in words is "thirty-four million, three hundred eighty-seven thousand, three hundred ninety-nine".