3821984929 has 8 divisors (see below), whose sum is σ = 4378361408. Its totient is φ = 3268203120.

The previous prime is 3821984923. The next prime is 3821984981. The reversal of 3821984929 is 9294891283.

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

It is not a de Polignac number, because 3821984929 - 2¹⁹ = 3821460641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3821984929.

It is not an unprimeable number, because it can be changed into a prime (3821984923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645507 + ... + 651400.

It is an arithmetic number, because the mean of its divisors is an integer number (547295176).

Almost surely, 2^3821984929 is an apocalyptic number.

It is an amenable number.

3821984929 is a deficient number, since it is larger than the sum of its proper divisors (556376479).

3821984929 is a wasteful number, since it uses less digits than its factorization.

3821984929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297335.

The product of its digits is 2239488, while the sum is 55.

The square root of 3821984929 is about 61822.2041745520. The cubic root of 3821984929 is about 1563.4943760170.

The spelling of 3821984929 in words is "three billion, eight hundred twenty-one million, nine hundred eighty-four thousand, nine hundred twenty-nine".