2188485 has 64 divisors (see below), whose sum is σ = 4435200. Its totient is φ = 1016064.

The previous prime is 2188481. The next prime is 2188489. The reversal of 2188485 is 5848812.

It is an interprime number because it is at equal distance from previous prime (2188481) and next prime (2188489).

It is not a de Polignac number, because 2188485 - 2² = 2188481 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2188481) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50874 + ... + 50916.

It is an arithmetic number, because the mean of its divisors is an integer number (69300).

2^2188485 is an apocalyptic number.

It is an amenable number.

2188485 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2188485 is a wasteful number, since it uses less digits than its factorization.

2188485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 93 counting only the distinct ones).

The product of its digits is 20480, while the sum is 36.

The square root of 2188485 is about 1479.3528990745. The cubic root of 2188485 is about 129.8318338385.

The spelling of 2188485 in words is "two million, one hundred eighty-eight thousand, four hundred eighty-five".