2149886 has 16 divisors (see below), whose sum is σ = 3378240. Its totient is φ = 1024800.

The previous prime is 2149883. The next prime is 2149897. The reversal of 2149886 is 6889412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5675 + ... + 6041.

It is an arithmetic number, because the mean of its divisors is an integer number (211140).

2^2149886 is an apocalyptic number.

2149886 is a deficient number, since it is larger than the sum of its proper divisors (1228354).

2149886 is a wasteful number, since it uses less digits than its factorization.

2149886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499.

The product of its digits is 27648, while the sum is 38.

The square root of 2149886 is about 1466.2489556689. The cubic root of 2149886 is about 129.0640068555.

The spelling of 2149886 in words is "two million, one hundred forty-nine thousand, eight hundred eighty-six".