18230348 has 12 divisors (see below), whose sum is σ = 33582360. Its totient is φ = 8635392.

The previous prime is 18230347. The next prime is 18230383. The reversal of 18230348 is 84303281.

It is a happy number.

It is a super-2 number, since 2×18230348² = 664691176402208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18230348.

It is not an unprimeable number, because it can be changed into a prime (18230347) 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, 119861 + ... + 120012.

It is an arithmetic number, because the mean of its divisors is an integer number (2798530).

Almost surely, 2^18230348 is an apocalyptic number.

It is an amenable number.

18230348 is a deficient number, since it is larger than the sum of its proper divisors (15352012).

18230348 is a wasteful number, since it uses less digits than its factorization.

18230348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239896 (or 239894 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 18230348 is about 4269.7011605029. The cubic root of 18230348 is about 263.1873349042.

The spelling of 18230348 in words is "eighteen million, two hundred thirty thousand, three hundred forty-eight".