3849065220 has 384 divisors, whose sum is σ = 15236444160. Its totient is φ = 699217920.

The previous prime is 3849065191. The next prime is 3849065237. The reversal of 3849065220 is 225609483.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1139454 + ... + 1142826.

It is an arithmetic number, because the mean of its divisors is an integer number (39678240).

Almost surely, 2^3849065220 is an apocalyptic number.

3849065220 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 3849065220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7618222080).

3849065220 is an abundant number, since it is smaller than the sum of its proper divisors (11387378940).

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

3849065220 is a wasteful number, since it uses less digits than its factorization.

3849065220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3435 (or 3433 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 3849065220 is about 62040.8351007625. The cubic root of 3849065220 is about 1567.1783497383.

The spelling of 3849065220 in words is "three billion, eight hundred forty-nine million, sixty-five thousand, two hundred twenty".