3805880 has 48 divisors (see below), whose sum is σ = 9289080. Its totient is φ = 1402752.

The previous prime is 3805861. The next prime is 3805889. The reversal of 3805880 is 885083.

It is a happy number.

3805880 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3805889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6479 + ... + 7041.

Almost surely, 2^3805880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3805880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4644540).

3805880 is an abundant number, since it is smaller than the sum of its proper divisors (5483200).

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

3805880 is a wasteful number, since it uses less digits than its factorization.

3805880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 3805880 is about 1950.8664741596. The cubic root of 3805880 is about 156.1295220616.

The spelling of 3805880 in words is "three million, eight hundred five thousand, eight hundred eighty".