18484848 has 100 divisors (see below), whose sum is σ = 56715120. Its totient is φ = 5792256.

The previous prime is 18484819. The next prime is 18484859. The reversal of 18484848 is 84848481.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21613 + ... + 22451.

Almost surely, 2^18484848 is an apocalyptic number.

18484848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18484848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28357560).

18484848 is an abundant number, since it is smaller than the sum of its proper divisors (38230272).

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

18484848 is a wasteful number, since it uses less digits than its factorization.

18484848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876 (or 861 counting only the distinct ones).

The product of its digits is 262144, while the sum is 45.

The square root of 18484848 is about 4299.4008884960. The cubic root of 18484848 is about 264.4063988662.

The spelling of 18484848 in words is "eighteen million, four hundred eighty-four thousand, eight hundred forty-eight".