2869156 has 6 divisors (see below), whose sum is σ = 5021030. Its totient is φ = 1434576.

The previous prime is 2869127. The next prime is 2869159. The reversal of 2869156 is 6519682.

It can be written as a sum of positive squares in only one way, i.e., 2528100 + 341056 = 1590^2 + 584^2 .

It is not an unprimeable number, because it can be changed into a prime (2869159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358641 + ... + 358648.

2^2869156 is an apocalyptic number.

It is an amenable number.

2869156 is a deficient number, since it is larger than the sum of its proper divisors (2151874).

2869156 is a wasteful number, since it uses less digits than its factorization.

2869156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717293 (or 717291 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 2869156 is about 1693.8583175697. The cubic root of 2869156 is about 142.0969383711.

It can be divided in two parts, 2869 and 156, that added together give a square (3025 = 55²).

The spelling of 2869156 in words is "two million, eight hundred sixty-nine thousand, one hundred fifty-six".