867397 has 2 divisors, whose sum is σ = 867398. Its totient is φ = 867396.

The previous prime is 867389. The next prime is 867401. The reversal of 867397 is 793768.

867397 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., 863041 + 4356 = 929^2 + 66^2 .

It is a cyclic number.

It is not a de Polignac number, because 867397 - 2³ = 867389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (867337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433698 + 433699.

It is an arithmetic number, because the mean of its divisors is an integer number (433699).

2⁸⁶⁷³⁹⁷ is an apocalyptic number.

It is an amenable number.

867397 is a deficient number, since it is larger than the sum of its proper divisors (1).

867397 is an equidigital number, since it uses as much as digits as its factorization.

867397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 40.

The square root of 867397 is about 931.3415055714. The cubic root of 867397 is about 95.3687239895.

The spelling of 867397 in words is "eight hundred sixty-seven thousand, three hundred ninety-seven".