3808085445 has 24 divisors (see below), whose sum is σ = 6603147096. Its totient is φ = 2030220288.

The previous prime is 3808085441. The next prime is 3808085447. The reversal of 3808085445 is 5445808083.

It can be written as a sum of positive squares in 4 ways, for example, as 401962401 + 3406123044 = 20049^2 + 58362^2 .

It is not a de Polignac number, because 3808085445 - 2² = 3808085441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3808085445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3808085441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118557 + ... + 147213.

It is an arithmetic number, because the mean of its divisors is an integer number (275131129).

Almost surely, 2^3808085445 is an apocalyptic number.

It is an amenable number.

3808085445 is a deficient number, since it is larger than the sum of its proper divisors (2795061651).

3808085445 is a wasteful number, since it uses less digits than its factorization.

3808085445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31621 (or 31618 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The square root of 3808085445 is about 61709.6868003719. The cubic root of 3808085445 is about 1561.5967440336.

The spelling of 3808085445 in words is "three billion, eight hundred eight million, eighty-five thousand, four hundred forty-five".