3824281 has 2 divisors, whose sum is σ = 3824282. Its totient is φ = 3824280.

The previous prime is 3824267. The next prime is 3824297. The reversal of 3824281 is 1824283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2175625 + 1648656 = 1475^2 + 1284^2 .

It is a cyclic number.

It is not a de Polignac number, because 3824281 - 2¹³ = 3816089 is a prime.

It is a super-2 number, since 2×3824281² = 29250250333922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3824231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1912140 + 1912141.

It is an arithmetic number, because the mean of its divisors is an integer number (1912141).

Almost surely, 2^3824281 is an apocalyptic number.

It is an amenable number.

3824281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3824281 is an equidigital number, since it uses as much as digits as its factorization.

3824281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 28.

The square root of 3824281 is about 1955.5768969795. The cubic root of 3824281 is about 156.3807404938.

The spelling of 3824281 in words is "three million, eight hundred twenty-four thousand, two hundred eighty-one".