3140660 has 24 divisors (see below), whose sum is σ = 6628776. Its totient is φ = 1249920.

The previous prime is 3140659. The next prime is 3140693. The reversal of 3140660 is 660413.

It can be written as a sum of positive squares in 4 ways, for example, as 676 + 3139984 = 26^2 + 1772^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7250 + ... + 7670.

It is an arithmetic number, because the mean of its divisors is an integer number (276199).

Almost surely, 2^3140660 is an apocalyptic number.

It is an amenable number.

3140660 is an abundant number, since it is smaller than the sum of its proper divisors (3488116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3140660 is a wasteful number, since it uses less digits than its factorization.

3140660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3140660 is about 1772.1907346558. The cubic root of 3140660 is about 146.4446940690. Note that the first 3 decimals are identical.

The spelling of 3140660 in words is "three million, one hundred forty thousand, six hundred sixty".