3850800728 has 32 divisors (see below), whose sum is σ = 7473232800. Its totient is φ = 1858010112.

The previous prime is 3850800721. The next prime is 3850800739. The reversal of 3850800728 is 8270080583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3850800721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613301 + ... + 619547.

It is an arithmetic number, because the mean of its divisors is an integer number (233538525).

Almost surely, 2^3850800728 is an apocalyptic number.

It is an amenable number.

3850800728 is a deficient number, since it is larger than the sum of its proper divisors (3622432072).

3850800728 is a wasteful number, since it uses less digits than its factorization.

3850800728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8939 (or 8935 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 3850800728 is about 62054.8203445953. The cubic root of 3850800728 is about 1567.4138564328.

The spelling of 3850800728 in words is "three billion, eight hundred fifty million, eight hundred thousand, seven hundred twenty-eight".