34400039 has 4 divisors (see below), whose sum is σ = 34424040. Its totient is φ = 34376040.

The previous prime is 34400029. The next prime is 34400057. The reversal of 34400039 is 93000443.

34400039 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 34400039 - 2²⁰ = 33351463 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34399987 and 34400023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34400029) 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, 9704 + ... + 12765.

It is an arithmetic number, because the mean of its divisors is an integer number (8606010).

Almost surely, 2^34400039 is an apocalyptic number.

34400039 is a deficient number, since it is larger than the sum of its proper divisors (24001).

34400039 is a wasteful number, since it uses less digits than its factorization.

34400039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24000.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 34400039 is about 5865.1546441675. The cubic root of 34400039 is about 325.2267892412.

The spelling of 34400039 in words is "thirty-four million, four hundred thousand, thirty-nine".