18077484 has 12 divisors (see below), whose sum is σ = 42180824. Its totient is φ = 6025824.

The previous prime is 18077473. The next prime is 18077503. The reversal of 18077484 is 48477081.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 753217 + ... + 753240.

Almost surely, 2^18077484 is an apocalyptic number.

It is an amenable number.

18077484 is an abundant number, since it is smaller than the sum of its proper divisors (24103340).

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

18077484 is a wasteful number, since it uses less digits than its factorization.

18077484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506464 (or 1506462 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 39.

The square root of 18077484 is about 4251.7624580872. The cubic root of 18077484 is about 262.4496483923.

The spelling of 18077484 in words is "eighteen million, seventy-seven thousand, four hundred eighty-four".