3821983982 has 8 divisors (see below), whose sum is σ = 5735326176. Its totient is φ = 1910208592.

The previous prime is 3821983973. The next prime is 3821983987. The reversal of 3821983982 is 2893891283.

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

It is a super-3 number, since 3×3821983982³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821983987) 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, 385583 + ... + 395370.

It is an arithmetic number, because the mean of its divisors is an integer number (716915772).

Almost surely, 2^3821983982 is an apocalyptic number.

3821983982 is a deficient number, since it is larger than the sum of its proper divisors (1913342194).

3821983982 is a wasteful number, since it uses less digits than its factorization.

3821983982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783402.

The product of its digits is 1492992, while the sum is 53.

The square root of 3821983982 is about 61822.1965154911. The cubic root of 3821983982 is about 1563.4942468843.

The spelling of 3821983982 in words is "three billion, eight hundred twenty-one million, nine hundred eighty-three thousand, nine hundred eighty-two".