2689388 has 12 divisors (see below), whose sum is σ = 5068560. Its totient is φ = 1241232.

The previous prime is 2689381. The next prime is 2689391. The reversal of 2689388 is 8839862.

It is a d-powerful number, because it can be written as 2¹⁹ + 6³ + 8⁵ + 9 + 3⁷ + 8⁵ + 8⁷ .

It is not an unprimeable number, because it can be changed into a prime (2689381) 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, 25808 + ... + 25911.

It is an arithmetic number, because the mean of its divisors is an integer number (422380).

2^2689388 is an apocalyptic number.

It is an amenable number.

2689388 is a deficient number, since it is larger than the sum of its proper divisors (2379172).

2689388 is a wasteful number, since it uses less digits than its factorization.

2689388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51736 (or 51734 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 2689388 is about 1639.9353645800. The cubic root of 2689388 is about 139.0649938449.

The spelling of 2689388 in words is "two million, six hundred eighty-nine thousand, three hundred eighty-eight".