2116790 has 32 divisors (see below), whose sum is σ = 4324320. Its totient is φ = 739584.

The previous prime is 2116783. The next prime is 2116799. The reversal of 2116790 is 976112.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2042 + ... + 2898.

It is an arithmetic number, because the mean of its divisors is an integer number (135135).

2^2116790 is an apocalyptic number.

2116790 is an abundant number, since it is smaller than the sum of its proper divisors (2207530).

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

2116790 is a wasteful number, since it uses less digits than its factorization.

2116790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 2116790 is about 1454.9192417451. The cubic root of 2116790 is about 128.3982954779.

The spelling of 2116790 in words is "two million, one hundred sixteen thousand, seven hundred ninety".