2689884 has 18 divisors (see below), whose sum is σ = 6799520. Its totient is φ = 896616.

The previous prime is 2689877. The next prime is 2689889. The reversal of 2689884 is 4889862.

2689884 = T₁₆₇ + T₁₆₈ + ... + T₂₇₄.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689889) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37324 + ... + 37395.

2^2689884 is an apocalyptic number.

It is an amenable number.

2689884 is an abundant number, since it is smaller than the sum of its proper divisors (4109636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2689884 is a wasteful number, since it uses less digits than its factorization.

2689884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74729 (or 74724 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 2689884 is about 1640.0865830803. The cubic root of 2689884 is about 139.0735425057.

The spelling of 2689884 in words is "two million, six hundred eighty-nine thousand, eight hundred eighty-four".