2111208 has 48 divisors (see below), whose sum is σ = 5809440. Its totient is φ = 638880.

The previous prime is 2111189. The next prime is 2111231. The reversal of 2111208 is 8021112.

It is a Cunningham number, because it is equal to 1453²-1.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2541 + ... + 3267.

It is an arithmetic number, because the mean of its divisors is an integer number (121030).

2^2111208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2111208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2904720).

2111208 is an abundant number, since it is smaller than the sum of its proper divisors (3698232).

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

2111208 is a wasteful number, since it uses less digits than its factorization.

2111208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 2111208 is about 1452.9996558843. Note that the first 3 decimals coincide. The cubic root of 2111208 is about 128.2853335231.

The spelling of 2111208 in words is "two million, one hundred eleven thousand, two hundred eight".