3788226816 has 144 divisors (see below), whose sum is σ = 11268065088. Its totient is φ = 1119846400.

The previous prime is 3788226763. The next prime is 3788226817. The reversal of 3788226816 is 6186228873.

It is a happy number.

It is a super-2 number, since 2×3788226816² = 28701324818922995712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3788226817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340900 + ... + 351836.

It is an arithmetic number, because the mean of its divisors is an integer number (78250452).

Almost surely, 2^3788226816 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 3788226816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5634032544).

3788226816 is an abundant number, since it is smaller than the sum of its proper divisors (7479838272).

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

3788226816 is a wasteful number, since it uses less digits than its factorization.

3788226816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11008 (or 10994 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 51.

The square root of 3788226816 is about 61548.5728185471. The cubic root of 3788226816 is about 1558.8775094077.

The spelling of 3788226816 in words is "three billion, seven hundred eighty-eight million, two hundred twenty-six thousand, eight hundred sixteen".