3804878220 has 192 divisors, whose sum is σ = 12808502784. Its totient is φ = 831559680.

The previous prime is 3804878191. The next prime is 3804878243. The reversal of 3804878220 is 228784083.

3804878220 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 363784 + ... + 374096.

It is an arithmetic number, because the mean of its divisors is an integer number (66710952).

Almost surely, 2^3804878220 is an apocalyptic number.

3804878220 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 3804878220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6404251392).

3804878220 is an abundant number, since it is smaller than the sum of its proper divisors (9003624564).

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

3804878220 is a wasteful number, since it uses less digits than its factorization.

3804878220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10392 (or 10390 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 3804878220 is about 61683.6949282385. The cubic root of 3804878220 is about 1561.1582210632.

The spelling of 3804878220 in words is "three billion, eight hundred four million, eight hundred seventy-eight thousand, two hundred twenty".