3855560 has 32 divisors (see below), whose sum is σ = 8762040. Its totient is φ = 1526784.

The previous prime is 3855557. The next prime is 3855571. The reversal of 3855560 is 655583.

3855560 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 4 ways, for example, as 917764 + 2937796 = 958^2 + 1714^2 .

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4094 + ... + 4946.

Almost surely, 2^3855560 is an apocalyptic number.

It is an amenable number.

3855560 is an abundant number, since it is smaller than the sum of its proper divisors (4906480).

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

3855560 is a wasteful number, since it uses less digits than its factorization.

3855560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 3855560 is about 1963.5579950692. The cubic root of 3855560 is about 156.8059321996.

The spelling of 3855560 in words is "three million, eight hundred fifty-five thousand, five hundred sixty".