18484284 has 48 divisors (see below), whose sum is σ = 53086208. Its totient is φ = 4874688.

The previous prime is 18484273. The next prime is 18484307. The reversal of 18484284 is 48248481.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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, 7372 + ... + 9555.

Almost surely, 2^18484284 is an apocalyptic number.

18484284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18484284 is an abundant number, since it is smaller than the sum of its proper divisors (34601924).

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

18484284 is a wasteful number, since it uses less digits than its factorization.

18484284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16954 (or 16952 counting only the distinct ones).

The product of its digits is 65536, while the sum is 39.

The square root of 18484284 is about 4299.3352974617. The cubic root of 18484284 is about 264.4037096956.

The spelling of 18484284 in words is "eighteen million, four hundred eighty-four thousand, two hundred eighty-four".