34239405 has 8 divisors (see below), whose sum is σ = 54783072. Its totient is φ = 18261008.

The previous prime is 34239397. The next prime is 34239437. The reversal of 34239405 is 50493243.

34239405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34239405 - 2³ = 34239397 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1141299 + ... + 1141328.

It is an arithmetic number, because the mean of its divisors is an integer number (6847884).

Almost surely, 2^34239405 is an apocalyptic number.

It is an amenable number.

34239405 is a deficient number, since it is larger than the sum of its proper divisors (20543667).

34239405 is a wasteful number, since it uses less digits than its factorization.

34239405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282635.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 34239405 is about 5851.4446934069. Note that the first 3 decimals coincide. The cubic root of 34239405 is about 324.7197742286.

The spelling of 34239405 in words is "thirty-four million, two hundred thirty-nine thousand, four hundred five".