18988054 has 8 divisors (see below), whose sum is σ = 28507608. Its totient is φ = 9485520.

The previous prime is 18988037. The next prime is 18988091. The reversal of 18988054 is 45088981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 18988054.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 952 + ... + 6235.

It is an arithmetic number, because the mean of its divisors is an integer number (3563451).

Almost surely, 2^18988054 is an apocalyptic number.

18988054 is a deficient number, since it is larger than the sum of its proper divisors (9519554).

18988054 is a wasteful number, since it uses less digits than its factorization.

18988054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8510.

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 18988054 is about 4357.5284279050. The cubic root of 18988054 is about 266.7842290667.

The spelling of 18988054 in words is "eighteen million, nine hundred eighty-eight thousand, fifty-four".