18285463 has 4 divisors (see below), whose sum is σ = 20897680. Its totient is φ = 15673248.

The previous prime is 18285461. The next prime is 18285469. The reversal of 18285463 is 36458281.

It is a happy number.

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 18285463 - 2¹ = 18285461 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 (18285461) 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, 1306098 + ... + 1306111.

It is an arithmetic number, because the mean of its divisors is an integer number (5224420).

Almost surely, 2^18285463 is an apocalyptic number.

18285463 is a deficient number, since it is larger than the sum of its proper divisors (2612217).

18285463 is an equidigital number, since it uses as much as digits as its factorization.

18285463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612216.

The product of its digits is 46080, while the sum is 37.

The square root of 18285463 is about 4276.1504884651. The cubic root of 18285463 is about 263.4522955887.

The spelling of 18285463 in words is "eighteen million, two hundred eighty-five thousand, four hundred sixty-three".