34394172 has 24 divisors (see below), whose sum is σ = 81035136. Its totient is φ = 11353008.

The previous prime is 34394167. The next prime is 34394189. The reversal of 34394172 is 27149343.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12678 + ... + 15149.

It is an arithmetic number, because the mean of its divisors is an integer number (3376464).

Almost surely, 2^34394172 is an apocalyptic number.

It is an amenable number.

34394172 is an abundant number, since it is smaller than the sum of its proper divisors (46640964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34394172 is a wasteful number, since it uses less digits than its factorization.

34394172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27937 (or 27935 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 34394172 is about 5864.6544655248. The cubic root of 34394172 is about 325.2082988159.

The spelling of 34394172 in words is "thirty-four million, three hundred ninety-four thousand, one hundred seventy-two".