3490666 has 4 divisors (see below), whose sum is σ = 5236002. Its totient is φ = 1745332.

The previous prime is 3490651. The next prime is 3490673. The reversal of 3490666 is 6660943.

3490666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 2313441 + 1177225 = 1521^2 + 1085^2 .

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 as a sum of consecutive naturals, namely, 872665 + ... + 872668.

Almost surely, 2^3490666 is an apocalyptic number.

3490666 is a deficient number, since it is larger than the sum of its proper divisors (1745336).

3490666 is a wasteful number, since it uses less digits than its factorization.

3490666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745335.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 3490666 is about 1868.3324115371. The cubic root of 3490666 is about 151.6943592847.

The spelling of 3490666 in words is "three million, four hundred ninety thousand, six hundred sixty-six".