2189016 has 24 divisors (see below), whose sum is σ = 5928780. Its totient is φ = 729648.

The previous prime is 2188993. The next prime is 2189017. The reversal of 2189016 is 6109812.

It is a tau number, because it is divible by the number of its divisors (24).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2189017) 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, 15130 + ... + 15273.

2^2189016 is an apocalyptic number.

It is an amenable number.

2189016 is an abundant number, since it is smaller than the sum of its proper divisors (3739764).

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

2189016 is a wasteful number, since it uses less digits than its factorization.

2189016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30415 (or 30408 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 2189016 is about 1479.5323585512. The cubic root of 2189016 is about 129.8423335112.

The spelling of 2189016 in words is "two million, one hundred eighty-nine thousand, sixteen".