34393666 has 4 divisors (see below), whose sum is σ = 51590502. Its totient is φ = 17196832.

The previous prime is 34393651. The next prime is 34393673. The reversal of 34393666 is 66639343.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28847641 + 5546025 = 5371^2 + 2355^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8598415 + ... + 8598418.

Almost surely, 2^34393666 is an apocalyptic number.

34393666 is a deficient number, since it is larger than the sum of its proper divisors (17196836).

34393666 is a wasteful number, since it uses less digits than its factorization.

34393666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17196835.

The product of its digits is 209952, while the sum is 40.

The square root of 34393666 is about 5864.6113255697. The cubic root of 34393666 is about 325.2067040088.

The spelling of 34393666 in words is "thirty-four million, three hundred ninety-three thousand, six hundred sixty-six".