18498120 has 64 divisors (see below), whose sum is σ = 55944000. Its totient is φ = 4892928.

The previous prime is 18498107. The next prime is 18498133. The reversal of 18498120 is 2189481.

It is an interprime number because it is at equal distance from previous prime (18498107) and next prime (18498133).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16126 + ... + 17234.

It is an arithmetic number, because the mean of its divisors is an integer number (874125).

Almost surely, 2^18498120 is an apocalyptic number.

18498120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18498120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27972000).

18498120 is an abundant number, since it is smaller than the sum of its proper divisors (37445880).

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

18498120 is a wasteful number, since it uses less digits than its factorization.

18498120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 18498120 is about 4300.9440824080. The cubic root of 18498120 is about 264.4696644157.

The spelling of 18498120 in words is "eighteen million, four hundred ninety-eight thousand, one hundred twenty".