18083424 has 24 divisors (see below), whose sum is σ = 47469240. Its totient is φ = 6027776.

The previous prime is 18083423. The next prime is 18083431. The reversal of 18083424 is 42438081.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 18083391 and 18083400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18083423) 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, 94089 + ... + 94280.

It is an arithmetic number, because the mean of its divisors is an integer number (1977885).

Almost surely, 2^18083424 is an apocalyptic number.

It is an amenable number.

18083424 is an abundant number, since it is smaller than the sum of its proper divisors (29385816).

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

18083424 is a wasteful number, since it uses less digits than its factorization.

18083424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188382 (or 188374 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 18083424 is about 4252.4609345648. The cubic root of 18083424 is about 262.4783909650.

The spelling of 18083424 in words is "eighteen million, eighty-three thousand, four hundred twenty-four".