3775986 has 48 divisors (see below), whose sum is σ = 8656128. Its totient is φ = 1188000.

The previous prime is 3775973. The next prime is 3775987. The reversal of 3775986 is 6895773.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3775987) 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, 37336 + ... + 37436.

It is an arithmetic number, because the mean of its divisors is an integer number (180336).

Almost surely, 2^3775986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3775986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4328064).

3775986 is an abundant number, since it is smaller than the sum of its proper divisors (4880142).

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

3775986 is a wasteful number, since it uses less digits than its factorization.

3775986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 204 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 3775986 is about 1943.1896459172. The cubic root of 3775986 is about 155.7196641843.

It can be divided in two parts, 3775 and 986, that added together give a square (4761 = 69²).

The spelling of 3775986 in words is "three million, seven hundred seventy-five thousand, nine hundred eighty-six".