34381666 has 24 divisors (see below), whose sum is σ = 58528512. Its totient is φ = 15120600.

The previous prime is 34381663. The next prime is 34381681. The reversal of 34381666 is 66618343.

It is not an unprimeable number, because it can be changed into a prime (34381663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5211 + ... + 9793.

It is an arithmetic number, because the mean of its divisors is an integer number (2438688).

Almost surely, 2^34381666 is an apocalyptic number.

34381666 is a deficient number, since it is larger than the sum of its proper divisors (24146846).

34381666 is a wasteful number, since it uses less digits than its factorization.

34381666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4638 (or 4627 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 34381666 is about 5863.5881506122. The cubic root of 34381666 is about 325.1688779122.

The spelling of 34381666 in words is "thirty-four million, three hundred eighty-one thousand, six hundred sixty-six".