34198918 has 16 divisors (see below), whose sum is σ = 56152656. Its totient is φ = 15524640.

The previous prime is 34198909. The next prime is 34198943. The reversal of 34198918 is 81989143.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9196 + ... + 12367.

It is an arithmetic number, because the mean of its divisors is an integer number (3509541).

Almost surely, 2^34198918 is an apocalyptic number.

34198918 is a deficient number, since it is larger than the sum of its proper divisors (21953738).

34198918 is a wasteful number, since it uses less digits than its factorization.

34198918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21639.

The product of its digits is 62208, while the sum is 43.

The square root of 34198918 is about 5847.9840971056. The cubic root of 34198918 is about 324.5917335023.

The spelling of 34198918 in words is "thirty-four million, one hundred ninety-eight thousand, nine hundred eighteen".