868741 has 2 divisors, whose sum is σ = 868742. Its totient is φ = 868740.

The previous prime is 868739. The next prime is 868771. The reversal of 868741 is 147868.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 772641 + 96100 = 879^2 + 310^2 .

It is a cyclic number.

It is not a de Polignac number, because 868741 - 2¹ = 868739 is a prime.

Together with 868739, it forms a pair of twin primes.

868741 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 868697 and 868706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (868771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434370 + 434371.

It is an arithmetic number, because the mean of its divisors is an integer number (434371).

2⁸⁶⁸⁷⁴¹ is an apocalyptic number.

It is an amenable number.

868741 is a deficient number, since it is larger than the sum of its proper divisors (1).

868741 is an equidigital number, since it uses as much as digits as its factorization.

868741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 34.

The square root of 868741 is about 932.0627661268. The cubic root of 868741 is about 95.4179553568.

The spelling of 868741 in words is "eight hundred sixty-eight thousand, seven hundred forty-one".