2859641 has 2 divisors, whose sum is σ = 2859642. Its totient is φ = 2859640.

The previous prime is 2859631. The next prime is 2859673. The reversal of 2859641 is 1469582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1488400 + 1371241 = 1220^2 + 1171^2 .

It is a cyclic number.

It is not a de Polignac number, because 2859641 - 2¹⁴ = 2843257 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2859631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1429820 + 1429821.

It is an arithmetic number, because the mean of its divisors is an integer number (1429821).

2^2859641 is an apocalyptic number.

It is an amenable number.

2859641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2859641 is an equidigital number, since it uses as much as digits as its factorization.

2859641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 35.

The square root of 2859641 is about 1691.0473086227. The cubic root of 2859641 is about 141.9396854211.

The spelling of 2859641 in words is "two million, eight hundred fifty-nine thousand, six hundred forty-one".