3122660 has 24 divisors (see below), whose sum is σ = 6711936. Its totient is φ = 1219680.

The previous prime is 3122657. The next prime is 3122671. The reversal of 3122660 is 662213.

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

It is an Ulam number.

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, 956 + ... + 2675.

It is an arithmetic number, because the mean of its divisors is an integer number (279664).

Almost surely, 2^3122660 is an apocalyptic number.

It is an amenable number.

3122660 is an abundant number, since it is smaller than the sum of its proper divisors (3589276).

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

3122660 is a wasteful number, since it uses less digits than its factorization.

3122660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683 (or 3681 counting only the distinct ones).

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

The square root of 3122660 is about 1767.1049770741. The cubic root of 3122660 is about 146.1643860571.

Adding to 3122660 its reverse (662213), we get a palindrome (3784873).

The spelling of 3122660 in words is "three million, one hundred twenty-two thousand, six hundred sixty".