3865448 has 24 divisors (see below), whose sum is σ = 7450230. Its totient is φ = 1879680.

The previous prime is 3865447. The next prime is 3865457. The reversal of 3865448 is 8445683.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1036324 + 2829124 = 1018^2 + 1682^2 .

It is not an unprimeable number, because it can be changed into a prime (3865447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43388 + ... + 43476.

Almost surely, 2^3865448 is an apocalyptic number.

It is an amenable number.

3865448 is a deficient number, since it is larger than the sum of its proper divisors (3584782).

3865448 is an equidigital number, since it uses as much as digits as its factorization.

3865448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 152 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 3865448 is about 1966.0742610593. The cubic root of 3865448 is about 156.9398663510.

The spelling of 3865448 in words is "three million, eight hundred sixty-five thousand, four hundred forty-eight".