2186272 has 24 divisors (see below), whose sum is σ = 4696272. Its totient is φ = 993600.

The previous prime is 2186269. The next prime is 2186287. The reversal of 2186272 is 2726812.

It is a self number, because there is not a number n which added to its sum of digits gives 2186272.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2754 + ... + 3457.

It is an arithmetic number, because the mean of its divisors is an integer number (195678).

2^2186272 is an apocalyptic number.

2186272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2186272 is an abundant number, since it is smaller than the sum of its proper divisors (2510000).

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

2186272 is a wasteful number, since it uses less digits than its factorization.

2186272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6232 (or 6224 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 2186272 is about 1478.6047477267. The cubic root of 2186272 is about 129.7880570175.

The spelling of 2186272 in words is "two million, one hundred eighty-six thousand, two hundred seventy-two".