18474960 has 120 divisors (see below), whose sum is σ = 66665376. Its totient is φ = 4220160.

The previous prime is 18474931. The next prime is 18474991. The reversal of 18474960 is 6947481.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10975 + ... + 12545.

Almost surely, 2^18474960 is an apocalyptic number.

18474960 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 18474960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33332688).

18474960 is an abundant number, since it is smaller than the sum of its proper divisors (48190416).

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

18474960 is a wasteful number, since it uses less digits than its factorization.

18474960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601 (or 1588 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 18474960 is about 4298.2508070144. The cubic root of 18474960 is about 264.3592446278.

The spelling of 18474960 in words is "eighteen million, four hundred seventy-four thousand, nine hundred sixty".