18697482 has 48 divisors (see below), whose sum is σ = 44516160. Its totient is φ = 5645376.

The previous prime is 18697477. The next prime is 18697507. The reversal of 18697482 is 28479681.

18697482 is a `hidden beast` number, since 1 + 86 + 97 + 482 = 666.

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 23 ways as a sum of consecutive naturals, for example, 6678 + ... + 9054.

It is an arithmetic number, because the mean of its divisors is an integer number (927420).

Almost surely, 2^18697482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18697482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22258080).

18697482 is an abundant number, since it is smaller than the sum of its proper divisors (25818678).

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

18697482 is a wasteful number, since it uses less digits than its factorization.

18697482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2427 (or 2424 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 18697482 is about 4324.0585102424. The cubic root of 18697482 is about 265.4163716736.

The spelling of 18697482 in words is "eighteen million, six hundred ninety-seven thousand, four hundred eighty-two".