3861409752 has 64 divisors (see below), whose sum is σ = 10873116000. Its totient is φ = 1269499392.

The previous prime is 3861409751. The next prime is 3861409793. The reversal of 3861409752 is 2579041683.

3861409752 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

3861409752 is strictly pandigital in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 3861409698 and 3861409707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3861409751) by changing a digit.

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, 106677 + ... + 138212.

It is a 1-persistent number, because it is pandigital, but 2⋅3861409752 = 7722819504 is not.

Almost surely, 2^3861409752 is an apocalyptic number.

It is an amenable number.

3861409752 is an abundant number, since it is smaller than the sum of its proper divisors (7011706248).

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

3861409752 is a wasteful number, since it uses less digits than its factorization.

3861409752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244977 (or 244967 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 3861409752 is about 62140.2426129799. The cubic root of 3861409752 is about 1568.8519541956.

The spelling of 3861409752 in words is "three billion, eight hundred sixty-one million, four hundred nine thousand, seven hundred fifty-two".