34129838 has 16 divisors (see below), whose sum is σ = 53978400. Its totient is φ = 16152576.

The previous prime is 34129807. The next prime is 34129841. The reversal of 34129838 is 83892143.

It is an alternating number because its digits alternate between odd and even.

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, 638 + ... + 8286.

It is an arithmetic number, because the mean of its divisors is an integer number (3373650).

Almost surely, 2^34129838 is an apocalyptic number.

34129838 is a deficient number, since it is larger than the sum of its proper divisors (19848562).

34129838 is a wasteful number, since it uses less digits than its factorization.

34129838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7771.

The product of its digits is 41472, while the sum is 38.

The square root of 34129838 is about 5842.0748026707. The cubic root of 34129838 is about 324.3730334883.

The spelling of 34129838 in words is "thirty-four million, one hundred twenty-nine thousand, eight hundred thirty-eight".