18048276 has 18 divisors (see below), whose sum is σ = 45622122. Its totient is φ = 6016080.

The previous prime is 18048269. The next prime is 18048281. The reversal of 18048276 is 67284081.

It can be written as a sum of positive squares in only one way, i.e., 16160400 + 1887876 = 4020^2 + 1374^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 501341 = 18048276 / (1 + 8 + 0 + 4 + 8 + 2 + 7 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 18048276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 250635 + ... + 250706.

Almost surely, 2^18048276 is an apocalyptic number.

It is an amenable number.

18048276 is an abundant number, since it is smaller than the sum of its proper divisors (27573846).

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

18048276 is a wasteful number, since it uses less digits than its factorization.

18048276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501351 (or 501346 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 18048276 is about 4248.3262586576. The cubic root of 18048276 is about 262.3082245540.

The spelling of 18048276 in words is "eighteen million, forty-eight thousand, two hundred seventy-six".