3924281 has 2 divisors, whose sum is σ = 3924282. Its totient is φ = 3924280.

The previous prime is 3924253. The next prime is 3924287. The reversal of 3924281 is 1824293.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2128681 + 1795600 = 1459^2 + 1340^2 .

It is a cyclic number.

It is not a de Polignac number, because 3924281 - 2¹⁸ = 3662137 is a prime.

It is a super-2 number, since 2×3924281² = 30799962733922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3924287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1962140 + 1962141.

It is an arithmetic number, because the mean of its divisors is an integer number (1962141).

Almost surely, 2^3924281 is an apocalyptic number.

It is an amenable number.

3924281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3924281 is an equidigital number, since it uses as much as digits as its factorization.

3924281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 3924281 is about 1980.9798080748. The cubic root of 3924281 is about 157.7320807988.

The spelling of 3924281 in words is "three million, nine hundred twenty-four thousand, two hundred eighty-one".