868427 has 12 divisors (see below), whose sum is σ = 1039680. Its totient is φ = 722736.

The previous prime is 868423. The next prime is 868451. The reversal of 868427 is 724868.

It is not a de Polignac number, because 868427 - 2² = 868423 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 868427.

It is not an unprimeable number, because it can be changed into a prime (868423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1574 + ... + 2052.

It is an arithmetic number, because the mean of its divisors is an integer number (86640).

2⁸⁶⁸⁴²⁷ is an apocalyptic number.

868427 is a deficient number, since it is larger than the sum of its proper divisors (171253).

868427 is a wasteful number, since it uses less digits than its factorization.

868427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 523 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 868427 is about 931.8943073117. The cubic root of 868427 is about 95.4064579337.

The spelling of 868427 in words is "eight hundred sixty-eight thousand, four hundred twenty-seven".