2889626 has 16 divisors (see below), whose sum is σ = 4715496. Its totient is φ = 1322496.

The previous prime is 2889617. The next prime is 2889637. The reversal of 2889626 is 6269882.

2889626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2886601 + 3025 = 1699^2 + 55^2 .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110 + ... + 2406.

2^2889626 is an apocalyptic number.

2889626 is a deficient number, since it is larger than the sum of its proper divisors (1825870).

2889626 is a wasteful number, since it uses less digits than its factorization.

2889626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353.

The product of its digits is 82944, while the sum is 41.

The square root of 2889626 is about 1699.8899964409. The cubic root of 2889626 is about 142.4340681965.

The spelling of 2889626 in words is "two million, eight hundred eighty-nine thousand, six hundred twenty-six".