3988228894 has 8 divisors (see below), whose sum is σ = 6442523640. Its totient is φ = 1840721016.

The previous prime is 3988228891. The next prime is 3988228903. The reversal of 3988228894 is 4988228893.

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 (3988228891) 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, 76696684 + ... + 76696735.

It is an arithmetic number, because the mean of its divisors is an integer number (805315455).

Almost surely, 2^3988228894 is an apocalyptic number.

3988228894 is a deficient number, since it is larger than the sum of its proper divisors (2454294746).

3988228894 is a wasteful number, since it uses less digits than its factorization.

3988228894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153393434.

The product of its digits is 15925248, while the sum is 61.

The square root of 3988228894 is about 63152.4258758126. The cubic root of 3988228894 is about 1585.8423998747.

Subtracting 3988228894 from its reverse (4988228893), we obtain a palindrome (999999999).

The spelling of 3988228894 in words is "three billion, nine hundred eighty-eight million, two hundred twenty-eight thousand, eight hundred ninety-four".