18260463 has 24 divisors (see below), whose sum is σ = 27694128. Its totient is φ = 10637568.

The previous prime is 18260453. The next prime is 18260467. The reversal of 18260463 is 36406281.

It is not a de Polignac number, because 18260463 - 2⁴ = 18260447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18260463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18260467) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13431 + ... + 14727.

It is an arithmetic number, because the mean of its divisors is an integer number (1153922).

Almost surely, 2^18260463 is an apocalyptic number.

18260463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

18260463 is a deficient number, since it is larger than the sum of its proper divisors (9433665).

18260463 is a wasteful number, since it uses less digits than its factorization.

18260463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351 (or 1332 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 18260463 is about 4273.2262987115. The cubic root of 18260463 is about 263.3321762843.

The spelling of 18260463 in words is "eighteen million, two hundred sixty thousand, four hundred sixty-three".