3898883820 has 48 divisors (see below), whose sum is σ = 11756636640. Its totient is φ = 959725056.

The previous prime is 3898883803. The next prime is 3898883827. The reversal of 3898883820 is 283888983.

It is not an unprimeable number, because it can be changed into a prime (3898883827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2498505 + ... + 2500064.

It is an arithmetic number, because the mean of its divisors is an integer number (244929930).

Almost surely, 2^3898883820 is an apocalyptic number.

3898883820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3898883820 is an abundant number, since it is smaller than the sum of its proper divisors (7857752820).

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

3898883820 is a wasteful number, since it uses less digits than its factorization.

3898883820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4998594 (or 4998592 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 57.

The square root of 3898883820 is about 62441.0427523436. The cubic root of 3898883820 is about 1573.9107368919.

The spelling of 3898883820 in words is "three billion, eight hundred ninety-eight million, eight hundred eighty-three thousand, eight hundred twenty".