868594 has 4 divisors (see below), whose sum is σ = 1302894. Its totient is φ = 434296.

The previous prime is 868583. The next prime is 868603. The reversal of 868594 is 495868.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 439569 + 429025 = 663^2 + 655^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217147 + ... + 217150.

2⁸⁶⁸⁵⁹⁴ is an apocalyptic number.

868594 is a deficient number, since it is larger than the sum of its proper divisors (434300).

868594 is a wasteful number, since it uses less digits than its factorization.

868594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434299.

The product of its digits is 69120, while the sum is 40.

The square root of 868594 is about 931.9839054404. The cubic root of 868594 is about 95.4125731502.

The spelling of 868594 in words is "eight hundred sixty-eight thousand, five hundred ninety-four".