3941556 has 24 divisors (see below), whose sum is σ = 9597504. Its totient is φ = 1256640.

The previous prime is 3941551. The next prime is 3941611. The reversal of 3941556 is 6551493.

It is a happy number.

It is a super-2 number, since 2×3941556² = 31071727402272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3941551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6865 + ... + 7416.

It is an arithmetic number, because the mean of its divisors is an integer number (399896).

Almost surely, 2^3941556 is an apocalyptic number.

It is an amenable number.

3941556 is an abundant number, since it is smaller than the sum of its proper divisors (5655948).

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

3941556 is a wasteful number, since it uses less digits than its factorization.

3941556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14311 (or 14309 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 3941556 is about 1985.3352361755. The cubic root of 3941556 is about 157.9631917675.

The spelling of 3941556 in words is "three million, nine hundred forty-one thousand, five hundred fifty-six".