18949482 has 24 divisors (see below), whose sum is σ = 41208804. Its totient is φ = 6293184.

The previous prime is 18949471. The next prime is 18949487. The reversal of 18949482 is 28494981.

18949482 is a `hidden beast` number, since 1 + 89 + 494 + 82 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18326961 + 622521 = 4281^2 + 789^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18949487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3478 + ... + 7070.

Almost surely, 2^18949482 is an apocalyptic number.

18949482 is an abundant number, since it is smaller than the sum of its proper divisors (22259322).

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

18949482 is a wasteful number, since it uses less digits than its factorization.

18949482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3894 (or 3891 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 18949482 is about 4353.1002745170. The cubic root of 18949482 is about 266.6034596722.

The spelling of 18949482 in words is "eighteen million, nine hundred forty-nine thousand, four hundred eighty-two".