2016857 has 2 divisors, whose sum is σ = 2016858. Its totient is φ = 2016856.

The previous prime is 2016853. The next prime is 2016877. The reversal of 2016857 is 7586102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1125721 + 891136 = 1061^2 + 944^2 .

It is a cyclic number.

It is not a de Polignac number, because 2016857 - 2² = 2016853 is a prime.

It is not a weakly prime, because it can be changed into another prime (2016851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1008428 + 1008429.

It is an arithmetic number, because the mean of its divisors is an integer number (1008429).

2^2016857 is an apocalyptic number.

It is an amenable number.

2016857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2016857 is an equidigital number, since it uses as much as digits as its factorization.

2016857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 2016857 is about 1420.1609063765. The cubic root of 2016857 is about 126.3450899469.

The spelling of 2016857 in words is "two million, sixteen thousand, eight hundred fifty-seven".