2116995 has 16 divisors (see below), whose sum is σ = 3421440. Its totient is φ = 1117664.

The previous prime is 2116991. The next prime is 2116997. The reversal of 2116995 is 5996112.

It is a cyclic number.

It is not a de Polignac number, because 2116995 - 2² = 2116991 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2116991) 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, 946 + ... + 2264.

It is an arithmetic number, because the mean of its divisors is an integer number (213840).

2^2116995 is an apocalyptic number.

2116995 is a deficient number, since it is larger than the sum of its proper divisors (1304445).

2116995 is a wasteful number, since it uses less digits than its factorization.

2116995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434.

The product of its digits is 4860, while the sum is 33.

The square root of 2116995 is about 1454.9896906851. The cubic root of 2116995 is about 128.4024402444.

The spelling of 2116995 in words is "two million, one hundred sixteen thousand, nine hundred ninety-five".