3816988236 has 72 divisors (see below), whose sum is σ = 10054437120. Its totient is φ = 1219443456.

The previous prime is 3816988229. The next prime is 3816988237. The reversal of 3816988236 is 6328896183.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3816988237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129685 + ... + 156371.

It is an arithmetic number, because the mean of its divisors is an integer number (139644960).

Almost surely, 2^3816988236 is an apocalyptic number.

3816988236 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3816988236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5027218560).

3816988236 is an abundant number, since it is smaller than the sum of its proper divisors (6237448884).

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

3816988236 is a wasteful number, since it uses less digits than its factorization.

3816988236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26863 (or 26858 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 3816988236 is about 61781.7791585836. The cubic root of 3816988236 is about 1562.8127312252.

The spelling of 3816988236 in words is "three billion, eight hundred sixteen million, nine hundred eighty-eight thousand, two hundred thirty-six".