2164115 has 8 divisors (see below), whose sum is σ = 2652480. Its totient is φ = 1694272.

The previous prime is 2164111. The next prime is 2164121. The reversal of 2164115 is 5114612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2164115 - 2² = 2164111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2164111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4370 + ... + 4839.

It is an arithmetic number, because the mean of its divisors is an integer number (331560).

2^2164115 is an apocalyptic number.

2164115 is a deficient number, since it is larger than the sum of its proper divisors (488365).

2164115 is an equidigital number, since it uses as much as digits as its factorization.

2164115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9261.

The product of its digits is 240, while the sum is 20.

The square root of 2164115 is about 1471.0931309744. The cubic root of 2164115 is about 129.3481172800.

Adding to 2164115 its reverse (5114612), we get a palindrome (7278727).

The spelling of 2164115 in words is "two million, one hundred sixty-four thousand, one hundred fifteen".