18238483 has 2 divisors, whose sum is σ = 18238484. Its totient is φ = 18238482.

The previous prime is 18238463. The next prime is 18238523. The reversal of 18238483 is 38483281.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18238483 - 2⁹ = 18237971 is a prime.

It is not a weakly prime, because it can be changed into another prime (18238453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9119241 + 9119242.

It is an arithmetic number, because the mean of its divisors is an integer number (9119242).

Almost surely, 2^18238483 is an apocalyptic number.

18238483 is a deficient number, since it is larger than the sum of its proper divisors (1).

18238483 is an equidigital number, since it uses as much as digits as its factorization.

18238483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 37.

The square root of 18238483 is about 4270.6536970352. The cubic root of 18238483 is about 263.2264767897.

It can be divided in two parts, 18238 and 483, that added together give a triangular number (18721 = T₁₉₃).

The spelling of 18238483 in words is "eighteen million, two hundred thirty-eight thousand, four hundred eighty-three".