8240269 has 2 divisors, whose sum is σ = 8240270. Its totient is φ = 8240268.

The previous prime is 8240249. The next prime is 8240273. The reversal of 8240269 is 9620428.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4862025 + 3378244 = 2205^2 + 1838^2 .

It is a cyclic number.

It is not a de Polignac number, because 8240269 - 2⁹ = 8239757 is a prime.

It is a super-4 number, since 4×8240269⁴ (a number of 29 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 8240269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8240249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4120134 + 4120135.

It is an arithmetic number, because the mean of its divisors is an integer number (4120135).

Almost surely, 2^8240269 is an apocalyptic number.

It is an amenable number.

8240269 is a deficient number, since it is larger than the sum of its proper divisors (1).

8240269 is an equidigital number, since it uses as much as digits as its factorization.

8240269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 8240269 is about 2870.5868737943. The cubic root of 8240269 is about 201.9825247112.

The spelling of 8240269 in words is "eight million, two hundred forty thousand, two hundred sixty-nine".