18483864 has 32 divisors (see below), whose sum is σ = 52811520. Its totient is φ = 5281056.

The previous prime is 18483859. The next prime is 18483869. The reversal of 18483864 is 46838481.

It is an interprime number because it is at equal distance from previous prime (18483859) and next prime (18483869).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18483869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54844 + ... + 55179.

It is an arithmetic number, because the mean of its divisors is an integer number (1650360).

Almost surely, 2^18483864 is an apocalyptic number.

18483864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18483864 is an abundant number, since it is smaller than the sum of its proper divisors (34327656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18483864 is a wasteful number, since it uses less digits than its factorization.

18483864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110039 (or 110035 counting only the distinct ones).

The product of its digits is 147456, while the sum is 42.

The square root of 18483864 is about 4299.2864524244. The cubic root of 18483864 is about 264.4017070863.

It can be divided in two parts, 184 and 83864, that added together give a palindrome (84048).

The spelling of 18483864 in words is "eighteen million, four hundred eighty-three thousand, eight hundred sixty-four".