18119384 has 8 divisors (see below), whose sum is σ = 33973860. Its totient is φ = 9059688.

The previous prime is 18119363. The next prime is 18119411. The reversal of 18119384 is 48391181.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132454 + ... + 1132469.

Almost surely, 2^18119384 is an apocalyptic number.

It is an amenable number.

18119384 is a deficient number, since it is larger than the sum of its proper divisors (15854476).

18119384 is a wasteful number, since it uses less digits than its factorization.

18119384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264929 (or 2264925 counting only the distinct ones).

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

The square root of 18119384 is about 4256.6869746318. The cubic root of 18119384 is about 262.6522605697.

The spelling of 18119384 in words is "eighteen million, one hundred nineteen thousand, three hundred eighty-four".