18424030 has 16 divisors (see below), whose sum is σ = 33213744. Its totient is φ = 7358400.

The previous prime is 18424027. The next prime is 18424067. The reversal of 18424030 is 3042481.

It is a junction number, because it is equal to n+sod(n) for n = 18423992 and 18424010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9634 + ... + 11386.

It is an arithmetic number, because the mean of its divisors is an integer number (2075859).

Almost surely, 2^18424030 is an apocalyptic number.

18424030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18424030 is a deficient number, since it is larger than the sum of its proper divisors (14789714).

18424030 is a wasteful number, since it uses less digits than its factorization.

18424030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 18424030 is about 4292.3222153049. The cubic root of 18424030 is about 264.1161009848.

The spelling of 18424030 in words is "eighteen million, four hundred twenty-four thousand, thirty".