34478839 has 8 divisors (see below), whose sum is σ = 36970560. Its totient is φ = 32038656.

The previous prime is 34478831. The next prime is 34478861. The reversal of 34478839 is 93887443.

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 34478839 - 2³ = 34478831 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 (34478831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11494 + ... + 14179.

It is an arithmetic number, because the mean of its divisors is an integer number (4621320).

Almost surely, 2^34478839 is an apocalyptic number.

34478839 is a deficient number, since it is larger than the sum of its proper divisors (2491721).

34478839 is a wasteful number, since it uses less digits than its factorization.

34478839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25769.

The product of its digits is 580608, while the sum is 46.

The square root of 34478839 is about 5871.8684419868. The cubic root of 34478839 is about 325.4749316664.

The spelling of 34478839 in words is "thirty-four million, four hundred seventy-eight thousand, eight hundred thirty-nine".