3865659846 has 16 divisors (see below), whose sum is σ = 7761405744. Its totient is φ = 1283538944.

The previous prime is 3865659817. The next prime is 3865659859. The reversal of 3865659846 is 6489565683.

It is a happy number.

3865659846 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3865659846.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1251915 + ... + 1254998.

It is an arithmetic number, because the mean of its divisors is an integer number (485087859).

Almost surely, 2^3865659846 is an apocalyptic number.

3865659846 is an abundant number, since it is smaller than the sum of its proper divisors (3895745898).

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

3865659846 is a wasteful number, since it uses less digits than its factorization.

3865659846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507175.

The product of its digits is 37324800, while the sum is 60.

The square root of 3865659846 is about 62174.4308055972. The cubic root of 3865659846 is about 1569.4273333004.

The spelling of 3865659846 in words is "three billion, eight hundred sixty-five million, six hundred fifty-nine thousand, eight hundred forty-six".