3941861 has 8 divisors (see below), whose sum is σ = 4914624. Its totient is φ = 3071520.

The previous prime is 3941837. The next prime is 3941887. The reversal of 3941861 is 1681493.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3941861 - 2¹⁰ = 3940837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3941801) 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, 25520 + ... + 25673.

It is an arithmetic number, because the mean of its divisors is an integer number (614328).

Almost surely, 2^3941861 is an apocalyptic number.

It is an amenable number.

3941861 is a deficient number, since it is larger than the sum of its proper divisors (972763).

3941861 is a wasteful number, since it uses less digits than its factorization.

3941861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51211.

The product of its digits is 5184, while the sum is 32.

The square root of 3941861 is about 1985.4120479135. The cubic root of 3941861 is about 157.9672660917.

The spelling of 3941861 in words is "three million, nine hundred forty-one thousand, eight hundred sixty-one".