2162863 has 4 divisors (see below), whose sum is σ = 2174040. Its totient is φ = 2151688.

The previous prime is 2162843. The next prime is 2162869. The reversal of 2162863 is 3682612.

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 2162863 - 2⁹ = 2162351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5293 + ... + 5686.

It is an arithmetic number, because the mean of its divisors is an integer number (543510).

2^2162863 is an apocalyptic number.

2162863 is a deficient number, since it is larger than the sum of its proper divisors (11177).

2162863 is a wasteful number, since it uses less digits than its factorization.

2162863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11176.

The product of its digits is 3456, while the sum is 28.

The square root of 2162863 is about 1470.6675355090. The cubic root of 2162863 is about 129.3231686547.

It can be divided in two parts, 2162 and 863, that added together give a square (3025 = 55²).

The spelling of 2162863 in words is "two million, one hundred sixty-two thousand, eight hundred sixty-three".