8620349 has 2 divisors, whose sum is σ = 8620350. Its totient is φ = 8620348.

The previous prime is 8620327. The next prime is 8620361. The reversal of 8620349 is 9430268.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8514724 + 105625 = 2918^2 + 325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8620349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8620369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4310174 + 4310175.

It is an arithmetic number, because the mean of its divisors is an integer number (4310175).

Almost surely, 2^8620349 is an apocalyptic number.

It is an amenable number.

8620349 is a deficient number, since it is larger than the sum of its proper divisors (1).

8620349 is an equidigital number, since it uses as much as digits as its factorization.

8620349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 8620349 is about 2936.0430855149. The cubic root of 8620349 is about 205.0414272810.

The spelling of 8620349 in words is "eight million, six hundred twenty thousand, three hundred forty-nine".