2849689 has 2 divisors, whose sum is σ = 2849690. Its totient is φ = 2849688.

The previous prime is 2849687. The next prime is 2849699. The reversal of 2849689 is 9869482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1937664 + 912025 = 1392^2 + 955^2 .

It is a cyclic number.

It is not a de Polignac number, because 2849689 - 2¹ = 2849687 is a prime.

Together with 2849687, it forms a pair of twin primes.

2849689 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2849681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1424844 + 1424845.

It is an arithmetic number, because the mean of its divisors is an integer number (1424845).

2^2849689 is an apocalyptic number.

It is an amenable number.

2849689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2849689 is an equidigital number, since it uses as much as digits as its factorization.

2849689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 46.

The square root of 2849689 is about 1688.1021888500. The cubic root of 2849689 is about 141.7748365705.

The spelling of 2849689 in words is "two million, eight hundred forty-nine thousand, six hundred eighty-nine".