3140666 has 8 divisors (see below), whose sum is σ = 4759860. Its totient is φ = 1554048.

The previous prime is 3140659. The next prime is 3140693. The reversal of 3140666 is 6660413.

It can be written as a sum of positive squares in 2 ways, for example, as 3136441 + 4225 = 1771^2 + 65^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7901 + ... + 8288.

Almost surely, 2^3140666 is an apocalyptic number.

3140666 is a deficient number, since it is larger than the sum of its proper divisors (1619194).

3140666 is a wasteful number, since it uses less digits than its factorization.

3140666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16288.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 3140666 is about 1772.1924274751. The cubic root of 3140666 is about 146.4447873263. Note that the first 3 decimals are identical.

The spelling of 3140666 in words is "three million, one hundred forty thousand, six hundred sixty-six".