34194920 has 32 divisors (see below), whose sum is σ = 77414400. Its totient is φ = 13593408.

The previous prime is 34194917. The next prime is 34194929. The reversal of 34194920 is 2949143.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (34194929) by changing a digit.

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, 4121 + ... + 9239.

It is an arithmetic number, because the mean of its divisors is an integer number (2419200).

Almost surely, 2^34194920 is an apocalyptic number.

It is an amenable number.

34194920 is an abundant number, since it is smaller than the sum of its proper divisors (43219480).

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

34194920 is a wasteful number, since it uses less digits than its factorization.

34194920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5297 (or 5293 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 34194920 is about 5847.6422599198. The cubic root of 34194920 is about 324.5790842881.

The spelling of 34194920 in words is "thirty-four million, one hundred ninety-four thousand, nine hundred twenty".