3864201928 has 8 divisors (see below), whose sum is σ = 7245378630. Its totient is φ = 1932100960.

The previous prime is 3864201919. The next prime is 3864201937. The reversal of 3864201928 is 8291024683.

It is an interprime number because it is at equal distance from previous prime (3864201919) and next prime (3864201937).

It can be written as a sum of positive squares in only one way, i.e., 3730522084 + 133679844 = 61078^2 + 11562^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241512613 + ... + 241512628.

Almost surely, 2^3864201928 is an apocalyptic number.

It is an amenable number.

3864201928 is a deficient number, since it is larger than the sum of its proper divisors (3381176702).

3864201928 is a wasteful number, since it uses less digits than its factorization.

3864201928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483025247 (or 483025243 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 3864201928 is about 62162.7052821867. The cubic root of 3864201928 is about 1569.2300074312.

The spelling of 3864201928 in words is "three billion, eight hundred sixty-four million, two hundred one thousand, nine hundred twenty-eight".