3123668 has 6 divisors (see below), whose sum is σ = 5466426. Its totient is φ = 1561832.

The previous prime is 3123643. The next prime is 3123671. The reversal of 3123668 is 8663213.

It can be written as a sum of positive squares in only one way, i.e., 2502724 + 620944 = 1582^2 + 788^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3123668.

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 as a sum of consecutive naturals, namely, 390455 + ... + 390462.

It is an arithmetic number, because the mean of its divisors is an integer number (911071).

Almost surely, 2^3123668 is an apocalyptic number.

It is an amenable number.

3123668 is a deficient number, since it is larger than the sum of its proper divisors (2342758).

3123668 is a wasteful number, since it uses less digits than its factorization.

3123668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780921 (or 780919 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 3123668 is about 1767.3901663187. The cubic root of 3123668 is about 146.1801117366.

The spelling of 3123668 in words is "three million, one hundred twenty-three thousand, six hundred sixty-eight".