18914848 has 12 divisors (see below), whose sum is σ = 37238670. Its totient is φ = 9457408.

The previous prime is 18914843. The next prime is 18914849. The reversal of 18914848 is 84841981.

It can be written as a sum of positive squares in only one way, i.e., 16875664 + 2039184 = 4108^2 + 1428^2 .

It is not an unprimeable number, because it can be changed into a prime (18914843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 295513 + ... + 295576.

Almost surely, 2^18914848 is an apocalyptic number.

It is an amenable number.

18914848 is a deficient number, since it is larger than the sum of its proper divisors (18323822).

18914848 is an equidigital number, since it uses as much as digits as its factorization.

18914848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591099 (or 591091 counting only the distinct ones).

The product of its digits is 73728, while the sum is 43.

The square root of 18914848 is about 4349.1203708336. The cubic root of 18914848 is about 266.4409367542.

The spelling of 18914848 in words is "eighteen million, nine hundred fourteen thousand, eight hundred forty-eight".