2866157 has 12 divisors (see below), whose sum is σ = 3450780. Its totient is φ = 2370816.

The previous prime is 2866151. The next prime is 2866159. The reversal of 2866157 is 7516682.

It can be written as a sum of positive squares in 2 ways, for example, as 1999396 + 866761 = 1414^2 + 931^2 .

It is not a de Polignac number, because 2866157 - 2⁸ = 2865901 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2866151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 413 + ... + 2429.

It is an arithmetic number, because the mean of its divisors is an integer number (287565).

2^2866157 is an apocalyptic number.

It is an amenable number.

2866157 is a deficient number, since it is larger than the sum of its proper divisors (584623).

2866157 is a wasteful number, since it uses less digits than its factorization.

2866157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060 (or 2053 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 2866157 is about 1692.9728290791. The cubic root of 2866157 is about 142.0474119271.

The spelling of 2866157 in words is "two million, eight hundred sixty-six thousand, one hundred fifty-seven".