18388483 has 2 divisors, whose sum is σ = 18388484. Its totient is φ = 18388482.

The previous prime is 18388453. The next prime is 18388493. The reversal of 18388483 is 38488381.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18388483 - 2¹³ = 18380291 is a prime.

It is not a weakly prime, because it can be changed into another prime (18388453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9194241 + 9194242.

It is an arithmetic number, because the mean of its divisors is an integer number (9194242).

Almost surely, 2^18388483 is an apocalyptic number.

18388483 is a deficient number, since it is larger than the sum of its proper divisors (1).

18388483 is an equidigital number, since it uses as much as digits as its factorization.

18388483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 147456, while the sum is 43.

The square root of 18388483 is about 4288.1794505361. The cubic root of 18388483 is about 263.9461313031.

The spelling of 18388483 in words is "eighteen million, three hundred eighty-eight thousand, four hundred eighty-three".