3112857 has 32 divisors (see below), whose sum is σ = 5160960. Its totient is φ = 1838160.

The previous prime is 3112829. The next prime is 3112859. The reversal of 3112857 is 7582113.

3112857 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 3112857 - 2⁷ = 3112729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 3112857.

It is not an unprimeable number, because it can be changed into a prime (3112859) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13848 + ... + 14070.

It is an arithmetic number, because the mean of its divisors is an integer number (161280).

Almost surely, 2^3112857 is an apocalyptic number.

It is an amenable number.

3112857 is a deficient number, since it is larger than the sum of its proper divisors (2048103).

3112857 is a wasteful number, since it uses less digits than its factorization.

3112857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 284 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 3112857 is about 1764.3290509426. The cubic root of 3112857 is about 146.0112739152.

It can be divided in two parts, 3112 and 857, that added together give a square (3969 = 63²).

The spelling of 3112857 in words is "three million, one hundred twelve thousand, eight hundred fifty-seven".