3881063388 has 48 divisors (see below), whose sum is σ = 9373754880. Its totient is φ = 1248321984.

The previous prime is 3881063387. The next prime is 3881063423. The reversal of 3881063388 is 8833601883.

It is a happy number.

It is a super-3 number, since 3×3881063388³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3881063387) 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, 1002745 + ... + 1006607.

It is an arithmetic number, because the mean of its divisors is an integer number (195286560).

Almost surely, 2^3881063388 is an apocalyptic number.

It is an amenable number.

3881063388 is an abundant number, since it is smaller than the sum of its proper divisors (5492691492).

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

3881063388 is a wasteful number, since it uses less digits than its factorization.

3881063388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786 (or 6784 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 3881063388 is about 62298.1812575616. The cubic root of 3881063388 is about 1571.5091426945.

The spelling of 3881063388 in words is "three billion, eight hundred eighty-one million, sixty-three thousand, three hundred eighty-eight".