1818486382 has 8 divisors (see below), whose sum is σ = 2733944400. Its totient is φ = 907171584.

The previous prime is 1818486347. The next prime is 1818486389. The reversal of 1818486382 is 2836848181.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1818486389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034707 + ... + 1036462.

It is an arithmetic number, because the mean of its divisors is an integer number (341743050).

Almost surely, 2^1818486382 is an apocalyptic number.

1818486382 is a deficient number, since it is larger than the sum of its proper divisors (915458018).

1818486382 is a wasteful number, since it uses less digits than its factorization.

1818486382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071610.

The product of its digits is 589824, while the sum is 49.

The square root of 1818486382 is about 42643.7144489079. The cubic root of 1818486382 is about 1220.5905906109.

The spelling of 1818486382 in words is "one billion, eight hundred eighteen million, four hundred eighty-six thousand, three hundred eighty-two".