3988677420 has 432 divisors, whose sum is σ = 15528633120. Its totient is φ = 820979712.

The previous prime is 3988677401. The next prime is 3988677421. The reversal of 3988677420 is 247768893.

It is not an unprimeable number, because it can be changed into a prime (3988677421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4929976 + ... + 4930784.

It is an arithmetic number, because the mean of its divisors is an integer number (35945910).

Almost surely, 2^3988677420 is an apocalyptic number.

3988677420 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 3988677420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7764316560).

3988677420 is an abundant number, since it is smaller than the sum of its proper divisors (11539955700).

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

3988677420 is a wasteful number, since it uses less digits than its factorization.

3988677420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The square root of 3988677420 is about 63155.9769143032. The cubic root of 3988677420 is about 1585.9018468878.

The spelling of 3988677420 in words is "three billion, nine hundred eighty-eight million, six hundred seventy-seven thousand, four hundred twenty".