3821989366 has 8 divisors (see below), whose sum is σ = 6173982864. Its totient is φ = 1763995080.

The previous prime is 3821989363. The next prime is 3821989397. The reversal of 3821989366 is 6639891283.

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 (3821989361) 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, 73499770 + ... + 73499821.

It is an arithmetic number, because the mean of its divisors is an integer number (771747858).

Almost surely, 2^3821989366 is an apocalyptic number.

3821989366 is a deficient number, since it is larger than the sum of its proper divisors (2351993498).

3821989366 is a wasteful number, since it uses less digits than its factorization.

3821989366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146999606.

The product of its digits is 3359232, while the sum is 55.

The square root of 3821989366 is about 61822.2400597067. The cubic root of 3821989366 is about 1563.4949810449.

The spelling of 3821989366 in words is "three billion, eight hundred twenty-one million, nine hundred eighty-nine thousand, three hundred sixty-six".