8340961 has 2 divisors, whose sum is σ = 8340962. Its totient is φ = 8340960.

The previous prime is 8340911. The next prime is 8340967. The reversal of 8340961 is 1690438.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4596736 + 3744225 = 2144^2 + 1935^2 .

It is a cyclic number.

It is not a de Polignac number, because 8340961 - 2⁷ = 8340833 is a prime.

8340961 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (8340967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4170480 + 4170481.

It is an arithmetic number, because the mean of its divisors is an integer number (4170481).

Almost surely, 2^8340961 is an apocalyptic number.

It is an amenable number.

8340961 is a deficient number, since it is larger than the sum of its proper divisors (1).

8340961 is an equidigital number, since it uses as much as digits as its factorization.

8340961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 8340961 is about 2888.0721943885. The cubic root of 8340961 is about 202.8019050015.

The spelling of 8340961 in words is "eight million, three hundred forty thousand, nine hundred sixty-one".