3316861 has 4 divisors (see below), whose sum is σ = 3327772. Its totient is φ = 3305952.

The previous prime is 3316847. The next prime is 3316867. The reversal of 3316861 is 1686133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55225 + 3261636 = 235^2 + 1806^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3316861 is a prime.

It is a super-2 number, since 2×3316861² = 22003133786642, which contains 22 as substring.

It is a Duffinian number.

3316861 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3316867) 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 3 ways as a sum of consecutive naturals, for example, 4986 + ... + 5611.

It is an arithmetic number, because the mean of its divisors is an integer number (831943).

Almost surely, 2^3316861 is an apocalyptic number.

It is an amenable number.

3316861 is a deficient number, since it is larger than the sum of its proper divisors (10911).

3316861 is a wasteful number, since it uses less digits than its factorization.

3316861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10910.

The product of its digits is 2592, while the sum is 28.

The square root of 3316861 is about 1821.2251370987. The cubic root of 3316861 is about 149.1336878014.

The spelling of 3316861 in words is "three million, three hundred sixteen thousand, eight hundred sixty-one".