8398553 has 2 divisors, whose sum is σ = 8398554. Its totient is φ = 8398552.

The previous prime is 8398547. The next prime is 8398567. The reversal of 8398553 is 3558938.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6416089 + 1982464 = 2533^2 + 1408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8398553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8398553.

It is not a weakly prime, because it can be changed into another prime (8398543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4199276 + 4199277.

It is an arithmetic number, because the mean of its divisors is an integer number (4199277).

Almost surely, 2^8398553 is an apocalyptic number.

It is an amenable number.

8398553 is a deficient number, since it is larger than the sum of its proper divisors (1).

8398553 is an equidigital number, since it uses as much as digits as its factorization.

8398553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 41.

The square root of 8398553 is about 2898.0257072704. The cubic root of 8398553 is about 203.2675982678.

The spelling of 8398553 in words is "eight million, three hundred ninety-eight thousand, five hundred fifty-three".