18916482 has 16 divisors (see below), whose sum is σ = 40743360. Its totient is φ = 5820432.

The previous prime is 18916481. The next prime is 18916483. The reversal of 18916482 is 28461981.

It is an interprime number because it is at equal distance from previous prime (18916481) and next prime (18916483).

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

It is a self number, because there is not a number n which added to its sum of digits gives 18916482.

It is not an unprimeable number, because it can be changed into a prime (18916481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121182 + ... + 121337.

It is an arithmetic number, because the mean of its divisors is an integer number (2546460).

Almost surely, 2^18916482 is an apocalyptic number.

18916482 is an abundant number, since it is smaller than the sum of its proper divisors (21826878).

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

18916482 is a wasteful number, since it uses less digits than its factorization.

18916482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242537.

The product of its digits is 27648, while the sum is 39.

The square root of 18916482 is about 4349.3082208554. The cubic root of 18916482 is about 266.4486088919.

The spelling of 18916482 in words is "eighteen million, nine hundred sixteen thousand, four hundred eighty-two".