2188104 has 64 divisors (see below), whose sum is σ = 6013440. Its totient is φ = 660480.

The previous prime is 2188099. The next prime is 2188111. The reversal of 2188104 is 4018812.

It is a super-2 number, since 2×2188104² = 9575598229632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12562 + ... + 12734.

It is an arithmetic number, because the mean of its divisors is an integer number (93960).

2^2188104 is an apocalyptic number.

2188104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2188104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3006720).

2188104 is an abundant number, since it is smaller than the sum of its proper divisors (3825336).

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

2188104 is a wasteful number, since it uses less digits than its factorization.

2188104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 2188104 is about 1479.2241209499. The cubic root of 2188104 is about 129.8242991285.

The spelling of 2188104 in words is "two million, one hundred eighty-eight thousand, one hundred four".