34939439 has 4 divisors (see below), whose sum is σ = 35122560. Its totient is φ = 34756320.

The previous prime is 34939393. The next prime is 34939447. The reversal of 34939439 is 93493943.

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 34939439 - 2⁸ = 34939183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34939439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34939469) 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 in 3 ways as a sum of consecutive naturals, for example, 91274 + ... + 91655.

It is an arithmetic number, because the mean of its divisors is an integer number (8780640).

Almost surely, 2^34939439 is an apocalyptic number.

34939439 is a deficient number, since it is larger than the sum of its proper divisors (183121).

34939439 is a wasteful number, since it uses less digits than its factorization.

34939439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183120.

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

The square root of 34939439 is about 5910.9592284163. The cubic root of 34939439 is about 326.9178563382.

The spelling of 34939439 in words is "thirty-four million, nine hundred thirty-nine thousand, four hundred thirty-nine".