3824861 has 2 divisors, whose sum is σ = 3824862. Its totient is φ = 3824860.

The previous prime is 3824837. The next prime is 3824867. The reversal of 3824861 is 1684283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3728761 + 96100 = 1931^2 + 310^2 .

It is an emirp because it is prime and its reverse (1684283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3824861 - 2¹⁴ = 3808477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3824867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1912430 + 1912431.

It is an arithmetic number, because the mean of its divisors is an integer number (1912431).

Almost surely, 2^3824861 is an apocalyptic number.

It is an amenable number.

3824861 is a deficient number, since it is larger than the sum of its proper divisors (1).

3824861 is an equidigital number, since it uses as much as digits as its factorization.

3824861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 32.

The square root of 3824861 is about 1955.7251851935. The cubic root of 3824861 is about 156.3886457919.

The spelling of 3824861 in words is "three million, eight hundred twenty-four thousand, eight hundred sixty-one".