3861275424 has 48 divisors (see below), whose sum is σ = 10159047360. Its totient is φ = 1284145920.

The previous prime is 3861275423. The next prime is 3861275447. The reversal of 3861275424 is 4245721683.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (3861275423) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3667 + ... + 87954.

It is an arithmetic number, because the mean of its divisors is an integer number (211646820).

Almost surely, 2^3861275424 is an apocalyptic number.

It is an amenable number.

3861275424 is an abundant number, since it is smaller than the sum of its proper divisors (6297771936).

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

3861275424 is a wasteful number, since it uses less digits than its factorization.

3861275424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92073 (or 92065 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 3861275424 is about 62139.1617581055. The cubic root of 3861275424 is about 1568.8337619461.

The spelling of 3861275424 in words is "three billion, eight hundred sixty-one million, two hundred seventy-five thousand, four hundred twenty-four".