2634889 has 4 divisors (see below), whose sum is σ = 2641924. Its totient is φ = 2627856.

The previous prime is 2634883. The next prime is 2634893. The reversal of 2634889 is 9884362.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 697225 + 1937664 = 835^2 + 1392^2 .

It is a cyclic number.

It is not a de Polignac number, because 2634889 - 2⁷ = 2634761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2634883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2922 + ... + 3715.

It is an arithmetic number, because the mean of its divisors is an integer number (660481).

2^2634889 is an apocalyptic number.

It is an amenable number.

2634889 is a deficient number, since it is larger than the sum of its proper divisors (7035).

2634889 is an equidigital number, since it uses as much as digits as its factorization.

2634889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7034.

The product of its digits is 82944, while the sum is 40.

The square root of 2634889 is about 1623.2341174335. The cubic root of 2634889 is about 138.1192171504.

The spelling of 2634889 in words is "two million, six hundred thirty-four thousand, eight hundred eighty-nine".