8865397 has 2 divisors, whose sum is σ = 8865398. Its totient is φ = 8865396.

The previous prime is 8865391. The next prime is 8865401. The reversal of 8865397 is 7935688.

8865397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6922161 + 1943236 = 2631^2 + 1394^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8865397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8865391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4432698 + 4432699.

It is an arithmetic number, because the mean of its divisors is an integer number (4432699).

Almost surely, 2^8865397 is an apocalyptic number.

It is an amenable number.

8865397 is a deficient number, since it is larger than the sum of its proper divisors (1).

8865397 is an equidigital number, since it uses as much as digits as its factorization.

8865397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 46.

The square root of 8865397 is about 2977.4816540157. The cubic root of 8865397 is about 206.9661858308.

The spelling of 8865397 in words is "eight million, eight hundred sixty-five thousand, three hundred ninety-seven".