8403841 has 2 divisors, whose sum is σ = 8403842. Its totient is φ = 8403840.

The previous prime is 8403827. The next prime is 8403853. The reversal of 8403841 is 1483048.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7403841 + 1000000 = 2721^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 8403841 - 2¹³ = 8395649 is a prime.

It is not a weakly prime, because it can be changed into another prime (8403641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4201920 + 4201921.

It is an arithmetic number, because the mean of its divisors is an integer number (4201921).

Almost surely, 2^8403841 is an apocalyptic number.

It is an amenable number.

8403841 is a deficient number, since it is larger than the sum of its proper divisors (1).

8403841 is an equidigital number, since it uses as much as digits as its factorization.

8403841 is an evil number, because the sum of its binary digits is even.

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

The square root of 8403841 is about 2898.9379089591. The cubic root of 8403841 is about 203.3102505972.

Adding to 8403841 its reverse (1483048), we get a palindrome (9886889).

The spelling of 8403841 in words is "eight million, four hundred three thousand, eight hundred forty-one".