18010384 has 20 divisors (see below), whose sum is σ = 39880384. Its totient is φ = 7718688.

The previous prime is 18010381. The next prime is 18010387. The reversal of 18010384 is 48301081.

It is an interprime number because it is at equal distance from previous prime (18010381) and next prime (18010387).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18010381) 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, 80292 + ... + 80515.

Almost surely, 2^18010384 is an apocalyptic number.

18010384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18010384 is an abundant number, since it is smaller than the sum of its proper divisors (21870000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18010384 is a wasteful number, since it uses less digits than its factorization.

18010384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160822 (or 160816 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 18010384 is about 4243.8642768119. The cubic root of 18010384 is about 262.1245256194.

The spelling of 18010384 in words is "eighteen million, ten thousand, three hundred eighty-four".