3123856 has 10 divisors (see below), whose sum is σ = 6052502. Its totient is φ = 1561920.

The previous prime is 3123853. The next prime is 3123859. The reversal of 3123856 is 6583213.

3123856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3123853) and next prime (3123859).

It can be written as a sum of positive squares in only one way, i.e., 2202256 + 921600 = 1484^2 + 960^2 .

It is not an unprimeable number, because it can be changed into a prime (3123853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97605 + ... + 97636.

Almost surely, 2^3123856 is an apocalyptic number.

It is an amenable number.

3123856 is a deficient number, since it is larger than the sum of its proper divisors (2928646).

3123856 is a wasteful number, since it uses less digits than its factorization.

3123856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195249 (or 195243 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 3123856 is about 1767.4433512846. The cubic root of 3123856 is about 146.1830443263.

The spelling of 3123856 in words is "three million, one hundred twenty-three thousand, eight hundred fifty-six".