18484130 has 16 divisors (see below), whose sum is σ = 38024640. Its totient is φ = 6337392.

The previous prime is 18484129. The next prime is 18484133. The reversal of 18484130 is 3148481.

It is a super-3 number, since 3×18484130³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18484093 and 18484102.

It is not an unprimeable number, because it can be changed into a prime (18484133) 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, 131960 + ... + 132099.

It is an arithmetic number, because the mean of its divisors is an integer number (2376540).

Almost surely, 2^18484130 is an apocalyptic number.

18484130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18484130 is an abundant number, since it is smaller than the sum of its proper divisors (19540510).

18484130 is a wasteful number, since it uses less digits than its factorization.

18484130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264073.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 18484130 is about 4299.3173876791. The cubic root of 18484130 is about 264.4029754091.

The spelling of 18484130 in words is "eighteen million, four hundred eighty-four thousand, one hundred thirty".