2185463 has 4 divisors (see below), whose sum is σ = 2497680. Its totient is φ = 1873248.

The previous prime is 2185439. The next prime is 2185471. The reversal of 2185463 is 3645812.

2185463 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2185463 is a prime.

It is a Duffinian number.

2185463 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2185433) 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, 156098 + ... + 156111.

It is an arithmetic number, because the mean of its divisors is an integer number (624420).

2^2185463 is an apocalyptic number.

2185463 is a deficient number, since it is larger than the sum of its proper divisors (312217).

2185463 is an equidigital number, since it uses as much as digits as its factorization.

2185463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312216.

The product of its digits is 5760, while the sum is 29.

The square root of 2185463 is about 1478.3311537000. The cubic root of 2185463 is about 129.7720462784.

The spelling of 2185463 in words is "two million, one hundred eighty-five thousand, four hundred sixty-three".