3122866 has 16 divisors (see below), whose sum is σ = 5056344. Its totient is φ = 1441024.

The previous prime is 3122863. The next prime is 3122869. The reversal of 3122866 is 6682213.

It is an interprime number because it is at equal distance from previous prime (3122863) and next prime (3122869).

It can be written as a sum of positive squares in 4 ways, for example, as 3045025 + 77841 = 1745^2 + 279^2 .

It is not an unprimeable number, because it can be changed into a prime (3122863) by changing a digit.

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, 936 + ... + 2668.

Almost surely, 2^3122866 is an apocalyptic number.

3122866 is a deficient number, since it is larger than the sum of its proper divisors (1933478).

3122866 is a wasteful number, since it uses less digits than its factorization.

3122866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805.

The product of its digits is 3456, while the sum is 28.

The square root of 3122866 is about 1767.1632635385. The cubic root of 3122866 is about 146.1676001120.

The spelling of 3122866 in words is "three million, one hundred twenty-two thousand, eight hundred sixty-six".