2872669 has 2 divisors, whose sum is σ = 2872670. Its totient is φ = 2872668.

The previous prime is 2872621. The next prime is 2872691. The reversal of 2872669 is 9662782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2528100 + 344569 = 1590^2 + 587^2 .

It is a cyclic number.

It is not a de Polignac number, because 2872669 - 2¹⁷ = 2741597 is a prime.

It is a super-2 number, since 2×2872669² = 16504454367122, which contains 22 as substring.

It is a Chen prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2872069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1436334 + 1436335.

It is an arithmetic number, because the mean of its divisors is an integer number (1436335).

2^2872669 is an apocalyptic number.

It is an amenable number.

2872669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2872669 is an equidigital number, since it uses as much as digits as its factorization.

2872669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 2872669 is about 1694.8949819974. The cubic root of 2872669 is about 142.1549093038.

The spelling of 2872669 in words is "two million, eight hundred seventy-two thousand, six hundred sixty-nine".