18485383 has 16 divisors (see below), whose sum is σ = 22397760. Its totient is φ = 14918400.

The previous prime is 18485381. The next prime is 18485407. The reversal of 18485383 is 38358481.

It is not a de Polignac number, because 18485383 - 2¹ = 18485381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18485381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7213 + ... + 9433.

It is an arithmetic number, because the mean of its divisors is an integer number (1399860).

Almost surely, 2^18485383 is an apocalyptic number.

18485383 is a deficient number, since it is larger than the sum of its proper divisors (3912377).

18485383 is a wasteful number, since it uses less digits than its factorization.

18485383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298.

The product of its digits is 92160, while the sum is 40.

The square root of 18485383 is about 4299.4631060168. The cubic root of 18485383 is about 264.4089497132.

The spelling of 18485383 in words is "eighteen million, four hundred eighty-five thousand, three hundred eighty-three".