2081910 has 32 divisors (see below), whose sum is σ = 5171040. Its totient is φ = 535808.

The previous prime is 2081909. The next prime is 2081921. The reversal of 2081910 is 191802.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 327 + ... + 2066.

It is an arithmetic number, because the mean of its divisors is an integer number (161595).

2^2081910 is an apocalyptic number.

2081910 is an abundant number, since it is smaller than the sum of its proper divisors (3089130).

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

2081910 is a wasteful number, since it uses less digits than its factorization.

2081910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2432.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 2081910 is about 1442.8825316012. The cubic root of 2081910 is about 127.6891464057.

The spelling of 2081910 in words is "two million, eighty-one thousand, nine hundred ten".