18536448 has 96 divisors (see below), whose sum is σ = 56609280. Its totient is φ = 5283840.

The previous prime is 18536447. The next prime is 18536461. The reversal of 18536448 is 84463581.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18536447) 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, 42793 + ... + 43223.

It is an arithmetic number, because the mean of its divisors is an integer number (589680).

Almost surely, 2^18536448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18536448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28304640).

18536448 is an abundant number, since it is smaller than the sum of its proper divisors (38072832).

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

18536448 is an equidigital number, since it uses as much as digits as its factorization.

18536448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 443 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 18536448 is about 4305.3975426202. The cubic root of 18536448 is about 264.6521982868.

The spelling of 18536448 in words is "eighteen million, five hundred thirty-six thousand, four hundred forty-eight".