18233448 has 16 divisors (see below), whose sum is σ = 45583680. Its totient is φ = 6077808.

The previous prime is 18233443. The next prime is 18233461. The reversal of 18233448 is 84433281.

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

It is not an unprimeable number, because it can be changed into a prime (18233443) 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, 379840 + ... + 379887.

It is an arithmetic number, because the mean of its divisors is an integer number (2848980).

Almost surely, 2^18233448 is an apocalyptic number.

It is an amenable number.

18233448 is an abundant number, since it is smaller than the sum of its proper divisors (27350232).

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

18233448 is a wasteful number, since it uses less digits than its factorization.

18233448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759736 (or 759732 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 18233448 is about 4270.0641681361. The cubic root of 18233448 is about 263.2022520540.

It can be divided in two parts, 18233 and 448, that added together give a palindrome (18681).

The spelling of 18233448 in words is "eighteen million, two hundred thirty-three thousand, four hundred forty-eight".