18348983 has 8 divisors (see below), whose sum is σ = 18744336. Its totient is φ = 17956800.

The previous prime is 18348977. The next prime is 18348991. The reversal of 18348983 is 38984381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18348983 - 2¹⁴ = 18332599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18344983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13568 + ... + 14858.

It is an arithmetic number, because the mean of its divisors is an integer number (2343042).

Almost surely, 2^18348983 is an apocalyptic number.

18348983 is a deficient number, since it is larger than the sum of its proper divisors (395353).

18348983 is a wasteful number, since it uses less digits than its factorization.

18348983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585.

The product of its digits is 165888, while the sum is 44.

The square root of 18348983 is about 4283.5712904071. The cubic root of 18348983 is about 263.7570030260.

The spelling of 18348983 in words is "eighteen million, three hundred forty-eight thousand, nine hundred eighty-three".