3865440848 has 10 divisors (see below), whose sum is σ = 7489291674. Its totient is φ = 1932720416.

The previous prime is 3865440847. The next prime is 3865440857. The reversal of 3865440848 is 8480445683.

It is a happy number.

3865440848 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3805409344 + 60031504 = 61688^2 + 7748^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3865440796 and 3865440805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3865440847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120795011 + ... + 120795042.

Almost surely, 2^3865440848 is an apocalyptic number.

It is an amenable number.

3865440848 is a deficient number, since it is larger than the sum of its proper divisors (3623850826).

3865440848 is a wasteful number, since it uses less digits than its factorization.

3865440848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241590061 (or 241590055 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 50.

The square root of 3865440848 is about 62172.6696225922. The cubic root of 3865440848 is about 1569.3976955886.

The spelling of 3865440848 in words is "three billion, eight hundred sixty-five million, four hundred forty thousand, eight hundred forty-eight".