8344621 has 2 divisors, whose sum is σ = 8344622. Its totient is φ = 8344620.

The previous prime is 8344601. The next prime is 8344627. The reversal of 8344621 is 1264438.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8328996 + 15625 = 2886^2 + 125^2 .

It is a cyclic number.

It is not a de Polignac number, because 8344621 - 2⁷ = 8344493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8344621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8344627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4172310 + 4172311.

It is an arithmetic number, because the mean of its divisors is an integer number (4172311).

Almost surely, 2^8344621 is an apocalyptic number.

It is an amenable number.

8344621 is a deficient number, since it is larger than the sum of its proper divisors (1).

8344621 is an equidigital number, since it uses as much as digits as its factorization.

8344621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 28.

The square root of 8344621 is about 2888.7057655635. The cubic root of 8344621 is about 202.8315637116.

The spelling of 8344621 in words is "eight million, three hundred forty-four thousand, six hundred twenty-one".