2160347 has 4 divisors (see below), whose sum is σ = 2468976. Its totient is φ = 1851720.

The previous prime is 2160341. The next prime is 2160349. The reversal of 2160347 is 7430612.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2160347 - 2⁶ = 2160283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2160341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154304 + ... + 154317.

It is an arithmetic number, because the mean of its divisors is an integer number (617244).

2^2160347 is an apocalyptic number.

2160347 is a deficient number, since it is larger than the sum of its proper divisors (308629).

2160347 is an equidigital number, since it uses as much as digits as its factorization.

2160347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308628.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 2160347 is about 1469.8118927264. The cubic root of 2160347 is about 129.2730031501.

Adding to 2160347 its reverse (7430612), we get a palindrome (9590959).

The spelling of 2160347 in words is "two million, one hundred sixty thousand, three hundred forty-seven".