3890975228 has 96 divisors (see below), whose sum is σ = 8430428160. Its totient is φ = 1535244480.

The previous prime is 3890975227. The next prime is 3890975239. The reversal of 3890975228 is 8225790983.

It is a self number, because there is not a number n which added to its sum of digits gives 3890975228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3890975227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1965143 + ... + 1967121.

It is an arithmetic number, because the mean of its divisors is an integer number (87816960).

Almost surely, 2^3890975228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3890975228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4215214080).

3890975228 is an abundant number, since it is smaller than the sum of its proper divisors (4539452932).

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

3890975228 is a wasteful number, since it uses less digits than its factorization.

3890975228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127 (or 2125 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 3890975228 is about 62377.6821307108. The cubic root of 3890975228 is about 1572.8458301006.

The spelling of 3890975228 in words is "three billion, eight hundred ninety million, nine hundred seventy-five thousand, two hundred twenty-eight".