2188984 has 16 divisors (see below), whose sum is σ = 4690800. Its totient is φ = 938112.

The previous prime is 2188981. The next prime is 2188987. The reversal of 2188984 is 4898812.

It is an interprime number because it is at equal distance from previous prime (2188981) and next prime (2188987).

It is a d-powerful number, because it can be written as 2 + 1 + 8 + 8⁵ + 9⁵ + 8⁷ + 4 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2188981) 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, 19489 + ... + 19600.

It is an arithmetic number, because the mean of its divisors is an integer number (293175).

2^2188984 is an apocalyptic number.

It is an amenable number.

2188984 is an abundant number, since it is smaller than the sum of its proper divisors (2501816).

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

2188984 is a wasteful number, since it uses less digits than its factorization.

2188984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39102 (or 39098 counting only the distinct ones).

The product of its digits is 36864, while the sum is 40.

The square root of 2188984 is about 1479.5215442838. The cubic root of 2188984 is about 129.8417008106.

The spelling of 2188984 in words is "two million, one hundred eighty-eight thousand, nine hundred eighty-four".