3933841 has 2 divisors, whose sum is σ = 3933842. Its totient is φ = 3933840.

The previous prime is 3933823. The next prime is 3933857. The reversal of 3933841 is 1483393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2903616 + 1030225 = 1704^2 + 1015^2 .

It is an emirp because it is prime and its reverse (1483393) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3933841 - 2¹⁷ = 3802769 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3933871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1966920 + 1966921.

It is an arithmetic number, because the mean of its divisors is an integer number (1966921).

Almost surely, 2^3933841 is an apocalyptic number.

It is an amenable number.

3933841 is a deficient number, since it is larger than the sum of its proper divisors (1).

3933841 is an equidigital number, since it uses as much as digits as its factorization.

3933841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The square root of 3933841 is about 1983.3912876687. The cubic root of 3933841 is about 157.8600614283.

It can be divided in two parts, 3933 and 841, that added together give a palindrome (4774).

The spelling of 3933841 in words is "three million, nine hundred thirty-three thousand, eight hundred forty-one".