3944161 has 8 divisors (see below), whose sum is σ = 4385024. Its totient is φ = 3522960.

The previous prime is 3944141. The next prime is 3944173. The reversal of 3944161 is 1614493.

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 3944161 - 2⁷ = 3944033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3944131) 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, 4491 + ... + 5296.

It is an arithmetic number, because the mean of its divisors is an integer number (548128).

Almost surely, 2^3944161 is an apocalyptic number.

3944161 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3944161 is a deficient number, since it is larger than the sum of its proper divisors (440863).

3944161 is a wasteful number, since it uses less digits than its factorization.

3944161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9831.

The product of its digits is 2592, while the sum is 28.

The square root of 3944161 is about 1985.9911882987. The cubic root of 3944161 is about 157.9979837376.

The spelling of 3944161 in words is "three million, nine hundred forty-four thousand, one hundred sixty-one".