2097186 has 64 divisors (see below), whose sum is σ = 5419008. Its totient is φ = 525888.

The previous prime is 2097169. The next prime is 2097211. The reversal of 2097186 is 6817902.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12475 + ... + 12641.

It is an arithmetic number, because the mean of its divisors is an integer number (84672).

2^2097186 is an apocalyptic number.

2097186 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2097186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2709504).

2097186 is an abundant number, since it is smaller than the sum of its proper divisors (3321822).

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

2097186 is a wasteful number, since it uses less digits than its factorization.

2097186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 2097186 is about 1448.1664268999. The cubic root of 2097186 is about 128.0006917280. Note that the first 3 decimals are identical.

The spelling of 2097186 in words is "two million, ninety-seven thousand, one hundred eighty-six".