3851056820 has 48 divisors (see below), whose sum is σ = 8839342848. Its totient is φ = 1400699520.

The previous prime is 3851056793. The next prime is 3851056861. The reversal of 3851056820 is 286501583.

It is a congruent number.

It is an unprimeable number.

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, 93116 + ... + 127955.

It is an arithmetic number, because the mean of its divisors is an integer number (184152976).

Almost surely, 2^3851056820 is an apocalyptic number.

It is an amenable number.

3851056820 is an abundant number, since it is smaller than the sum of its proper divisors (4988286028).

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

3851056820 is a wasteful number, since it uses less digits than its factorization.

3851056820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221160 (or 221158 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 3851056820 is about 62056.8837438684. The cubic root of 3851056820 is about 1567.4486018689.

The spelling of 3851056820 in words is "three billion, eight hundred fifty-one million, fifty-six thousand, eight hundred twenty".