1982818306 has 8 divisors (see below), whose sum is σ = 3399117120. Its totient is φ = 849779268.

The previous prime is 1982818267. The next prime is 1982818319. The reversal of 1982818306 is 6038182891.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70814926 + ... + 70814953.

It is an arithmetic number, because the mean of its divisors is an integer number (424889640).

Almost surely, 2^1982818306 is an apocalyptic number.

1982818306 is a deficient number, since it is larger than the sum of its proper divisors (1416298814).

1982818306 is a wasteful number, since it uses less digits than its factorization.

1982818306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141629888.

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 1982818306 is about 44528.8480201318. The cubic root of 1982818306 is about 1256.3027389194.

The spelling of 1982818306 in words is "one billion, nine hundred eighty-two million, eight hundred eighteen thousand, three hundred six".