2869139 has 16 divisors (see below), whose sum is σ = 3622080. Its totient is φ = 2211840.

The previous prime is 2869127. The next prime is 2869159. The reversal of 2869139 is 9319682.

2869139 = 252² + 253² + ... + 290².

2869139 is nontrivially palindromic in base 12.

It is a cyclic number.

It is not a de Polignac number, because 2869139 - 2⁴ = 2869123 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3347 + ... + 4115.

It is an arithmetic number, because the mean of its divisors is an integer number (226380).

2^2869139 is an apocalyptic number.

2869139 is a deficient number, since it is larger than the sum of its proper divisors (752941).

2869139 is a wasteful number, since it uses less digits than its factorization.

2869139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830.

The product of its digits is 23328, while the sum is 38.

The square root of 2869139 is about 1693.8532994330. The cubic root of 2869139 is about 142.0966577250.

The spelling of 2869139 in words is "two million, eight hundred sixty-nine thousand, one hundred thirty-nine".