8455397 has 2 divisors, whose sum is σ = 8455398. Its totient is φ = 8455396.

The previous prime is 8455387. The next prime is 8455411. The reversal of 8455397 is 7935548.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8300161 + 155236 = 2881^2 + 394^2 .

It is a cyclic number.

It is not a de Polignac number, because 8455397 - 2⁸ = 8455141 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8455357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4227698 + 4227699.

It is an arithmetic number, because the mean of its divisors is an integer number (4227699).

Almost surely, 2^8455397 is an apocalyptic number.

It is an amenable number.

8455397 is a deficient number, since it is larger than the sum of its proper divisors (1).

8455397 is an equidigital number, since it uses as much as digits as its factorization.

8455397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 41.

The square root of 8455397 is about 2907.8165347903. The cubic root of 8455397 is about 203.7251601319.

The spelling of 8455397 in words is "eight million, four hundred fifty-five thousand, three hundred ninety-seven".