2116590 has 32 divisors (see below), whose sum is σ = 5806080. Its totient is φ = 483744.

The previous prime is 2116579. The next prime is 2116591. The reversal of 2116590 is 956112.

2116590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2116590.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4830 + ... + 5249.

It is an arithmetic number, because the mean of its divisors is an integer number (181440).

2^2116590 is an apocalyptic number.

2116590 is an abundant number, since it is smaller than the sum of its proper divisors (3689490).

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

2116590 is a wasteful number, since it uses less digits than its factorization.

2116590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10096.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 2116590 is about 1454.8505077842. The cubic root of 2116590 is about 128.3942515453.

Multiplying 2116590 by its sum of digits (24), we get a triangular number (50798160 = T₁₀₀₇₉).

The spelling of 2116590 in words is "two million, one hundred sixteen thousand, five hundred ninety".