3888696420 has 288 divisors, whose sum is σ = 14399723520. Its totient is φ = 830269440.

The previous prime is 3888696353. The next prime is 3888696421. The reversal of 3888696420 is 246968883.

3888696420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×3888696420³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3888696421) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1131024 + ... + 1134456.

It is an arithmetic number, because the mean of its divisors is an integer number (49999040).

Almost surely, 2^3888696420 is an apocalyptic number.

3888696420 is a gapful number since it is divisible by the number (30) 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 3888696420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7199861760).

3888696420 is an abundant number, since it is smaller than the sum of its proper divisors (10511027100).

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

3888696420 is a wasteful number, since it uses less digits than its factorization.

3888696420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515 (or 3510 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The square root of 3888696420 is about 62359.4132429098. The cubic root of 3888696420 is about 1572.5387165541.

The spelling of 3888696420 in words is "three billion, eight hundred eighty-eight million, six hundred ninety-six thousand, four hundred twenty".