1982219384 has 16 divisors (see below), whose sum is σ = 3912275400. Its totient is φ = 938945952.

The previous prime is 1982219341. The next prime is 1982219399. The reversal of 1982219384 is 4839122891.

It is a congruent number.

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, 6520307 + ... + 6520610.

Almost surely, 2^1982219384 is an apocalyptic number.

It is an amenable number.

1982219384 is a deficient number, since it is larger than the sum of its proper divisors (1930056016).

1982219384 is a wasteful number, since it uses less digits than its factorization.

1982219384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13040942 (or 13040938 counting only the distinct ones).

The product of its digits is 248832, while the sum is 47.

The square root of 1982219384 is about 44522.1224112238. The cubic root of 1982219384 is about 1256.1762349565.

The spelling of 1982219384 in words is "one billion, nine hundred eighty-two million, two hundred nineteen thousand, three hundred eighty-four".