2116870 has 16 divisors (see below), whose sum is σ = 4354848. Its totient is φ = 725760.

The previous prime is 2116867. The next prime is 2116901. The reversal of 2116870 is 786112.

It is a super-2 number, since 2×2116870² = 8962277193800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15051 + ... + 15190.

It is an arithmetic number, because the mean of its divisors is an integer number (272178).

2^2116870 is an apocalyptic number.

2116870 is an abundant number, since it is smaller than the sum of its proper divisors (2237978).

2116870 is a wasteful number, since it uses less digits than its factorization.

2116870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30255.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 2116870 is about 1454.9467344202. The cubic root of 2116870 is about 128.3999129796.

The spelling of 2116870 in words is "two million, one hundred sixteen thousand, eight hundred seventy".