8268397 has 2 divisors, whose sum is σ = 8268398. Its totient is φ = 8268396.

The previous prime is 8268389. The next prime is 8268419. The reversal of 8268397 is 7938628.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6456681 + 1811716 = 2541^2 + 1346^2 .

It is a cyclic number.

It is not a de Polignac number, because 8268397 - 2³ = 8268389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8268317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4134198 + 4134199.

It is an arithmetic number, because the mean of its divisors is an integer number (4134199).

Almost surely, 2^8268397 is an apocalyptic number.

It is an amenable number.

8268397 is a deficient number, since it is larger than the sum of its proper divisors (1).

8268397 is an equidigital number, since it uses as much as digits as its factorization.

8268397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 8268397 is about 2875.4820465445. The cubic root of 8268397 is about 202.2120848658.

The spelling of 8268397 in words is "eight million, two hundred sixty-eight thousand, three hundred ninety-seven".