3955841 has 4 divisors (see below), whose sum is σ = 3964884. Its totient is φ = 3946800.

The previous prime is 3955823. The next prime is 3955859. The reversal of 3955841 is 1485593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1485593 = 23 ⋅64591.

It is an interprime number because it is at equal distance from previous prime (3955823) and next prime (3955859).

It can be written as a sum of positive squares in 2 ways, for example, as 364816 + 3591025 = 604^2 + 1895^2 .

It is a cyclic number.

It is not a de Polignac number, because 3955841 - 2¹⁴ = 3939457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3955141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3830 + ... + 4751.

It is an arithmetic number, because the mean of its divisors is an integer number (991221).

Almost surely, 2^3955841 is an apocalyptic number.

It is an amenable number.

3955841 is a deficient number, since it is larger than the sum of its proper divisors (9043).

3955841 is an equidigital number, since it uses as much as digits as its factorization.

3955841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9042.

The product of its digits is 21600, while the sum is 35.

The square root of 3955841 is about 1988.9296116253. The cubic root of 3955841 is about 158.1537919315.

The spelling of 3955841 in words is "three million, nine hundred fifty-five thousand, eight hundred forty-one".