18348119 has 4 divisors (see below), whose sum is σ = 18465144. Its totient is φ = 18231096.

The previous prime is 18348107. The next prime is 18348133. The reversal of 18348119 is 91184381.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18348119 - 2⁴ = 18348103 is a prime.

It is a super-2 number, since 2×18348119² = 673306941676322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18348199) 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, 58277 + ... + 58590.

It is an arithmetic number, because the mean of its divisors is an integer number (4616286).

Almost surely, 2^18348119 is an apocalyptic number.

18348119 is a deficient number, since it is larger than the sum of its proper divisors (117025).

18348119 is a wasteful number, since it uses less digits than its factorization.

18348119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117024.

The product of its digits is 6912, while the sum is 35.

The square root of 18348119 is about 4283.4704387914. The cubic root of 18348119 is about 263.7528631122.

The spelling of 18348119 in words is "eighteen million, three hundred forty-eight thousand, one hundred nineteen".