3892841 has 2 divisors, whose sum is σ = 3892842. Its totient is φ = 3892840.

The previous prime is 3892831. The next prime is 3892849. The reversal of 3892841 is 1482983.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3345241 + 547600 = 1829^2 + 740^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3892841 is a prime.

It is a super-2 number, since 2×3892841² = 30308422102562, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3892849) 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, 1946420 + 1946421.

It is an arithmetic number, because the mean of its divisors is an integer number (1946421).

Almost surely, 2^3892841 is an apocalyptic number.

It is an amenable number.

3892841 is a deficient number, since it is larger than the sum of its proper divisors (1).

3892841 is an equidigital number, since it uses as much as digits as its factorization.

3892841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 35.

The square root of 3892841 is about 1973.0283829687. The cubic root of 3892841 is about 157.3097189773.

The spelling of 3892841 in words is "three million, eight hundred ninety-two thousand, eight hundred forty-one".