34199780 has 12 divisors (see below), whose sum is σ = 71819580. Its totient is φ = 13679904.

The previous prime is 34199779. The next prime is 34199797. The reversal of 34199780 is 8799143.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12166144 + 22033636 = 3488^2 + 4694^2 .

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 3 ways as a sum of consecutive naturals, for example, 854975 + ... + 855014.

It is an arithmetic number, because the mean of its divisors is an integer number (5984965).

Almost surely, 2^34199780 is an apocalyptic number.

It is an amenable number.

34199780 is an abundant number, since it is smaller than the sum of its proper divisors (37619800).

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

34199780 is a wasteful number, since it uses less digits than its factorization.

34199780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709998 (or 1709996 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 34199780 is about 5848.0577972520. The cubic root of 34199780 is about 324.5944606425.

The spelling of 34199780 in words is "thirty-four million, one hundred ninety-nine thousand, seven hundred eighty".