4956857 has 2 divisors, whose sum is σ = 4956858. Its totient is φ = 4956856.

The previous prime is 4956829. The next prime is 4956871. The reversal of 4956857 is 7586594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3171961 + 1784896 = 1781^2 + 1336^2 .

It is a cyclic number.

It is not a de Polignac number, because 4956857 - 2⁶ = 4956793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4956817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2478428 + 2478429.

It is an arithmetic number, because the mean of its divisors is an integer number (2478429).

Almost surely, 2^4956857 is an apocalyptic number.

It is an amenable number.

4956857 is a deficient number, since it is larger than the sum of its proper divisors (1).

4956857 is an equidigital number, since it uses as much as digits as its factorization.

4956857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 44.

The square root of 4956857 is about 2226.4000089831. The cubic root of 4956857 is about 170.5043499835.

The spelling of 4956857 in words is "four million, nine hundred fifty-six thousand, eight hundred fifty-seven".