18396119 has 8 divisors (see below), whose sum is σ = 21453600. Its totient is φ = 15767808.

The previous prime is 18396097. The next prime is 18396127. The reversal of 18396119 is 91169381.

It is a de Polignac number, because none of the positive numbers 2^k-18396119 is a prime.

It is a super-2 number, since 2×18396119² = 676834388524322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18396149) 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, 26474 + ... + 27159.

It is an arithmetic number, because the mean of its divisors is an integer number (2681700).

Almost surely, 2^18396119 is an apocalyptic number.

18396119 is a deficient number, since it is larger than the sum of its proper divisors (3057481).

18396119 is an frugal number, since it uses more digits than its factorization.

18396119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53654 (or 53640 counting only the distinct ones).

The product of its digits is 11664, while the sum is 38.

The square root of 18396119 is about 4289.0697126533. The cubic root of 18396119 is about 263.9826616636.

The spelling of 18396119 in words is "eighteen million, three hundred ninety-six thousand, one hundred nineteen".