1839020216 has 64 divisors (see below), whose sum is σ = 3870218880. Its totient is φ = 812004480.

The previous prime is 1839020207. The next prime is 1839020219. The reversal of 1839020216 is 6120209381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1839020219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 744215 + ... + 746681.

It is an arithmetic number, because the mean of its divisors is an integer number (60472170).

Almost surely, 2^1839020216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1839020216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1935109440).

1839020216 is an abundant number, since it is smaller than the sum of its proper divisors (2031198664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1839020216 is a wasteful number, since it uses less digits than its factorization.

1839020216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724 (or 2720 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1839020216 is about 42883.7989921602. The cubic root of 1839020216 is about 1225.1675941186.

Adding to 1839020216 its reverse (6120209381), we get a palindrome (7959229597).

The spelling of 1839020216 in words is "one billion, eight hundred thirty-nine million, twenty thousand, two hundred sixteen".