3171668 has 12 divisors (see below), whose sum is σ = 5563572. Its totient is φ = 1582080.

The previous prime is 3171667. The next prime is 3171671. The reversal of 3171668 is 8661713.

It can be written as a sum of positive squares in 2 ways, for example, as 2650384 + 521284 = 1628^2 + 722^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3171661) 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, 1946 + ... + 3182.

It is an arithmetic number, because the mean of its divisors is an integer number (463631).

Almost surely, 2^3171668 is an apocalyptic number.

It is an amenable number.

3171668 is a deficient number, since it is larger than the sum of its proper divisors (2391904).

3171668 is a wasteful number, since it uses less digits than its factorization.

3171668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882 (or 1880 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 3171668 is about 1780.9177409415. The cubic root of 3171668 is about 146.9250701781.

The spelling of 3171668 in words is "three million, one hundred seventy-one thousand, six hundred sixty-eight".