3140669 has 4 divisors (see below), whose sum is σ = 3589344. Its totient is φ = 2691996.

The previous prime is 3140659. The next prime is 3140693. The reversal of 3140669 is 9660413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3140669 - 2⁴ = 3140653 is a prime.

It is a super-2 number, since 2×3140669² = 19727603535122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3140639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224327 + ... + 224340.

It is an arithmetic number, because the mean of its divisors is an integer number (897336).

Almost surely, 2^3140669 is an apocalyptic number.

It is an amenable number.

3140669 is a deficient number, since it is larger than the sum of its proper divisors (448675).

3140669 is an equidigital number, since it uses as much as digits as its factorization.

3140669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448674.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 3140669 is about 1772.1932738841. The cubic root of 3140669 is about 146.4448339548. Note that the first 3 decimals are identical.

The spelling of 3140669 in words is "three million, one hundred forty thousand, six hundred sixty-nine".