866934 has 12 divisors (see below), whose sum is σ = 1878396. Its totient is φ = 288972.

The previous prime is 866933. The next prime is 866941. The reversal of 866934 is 439668.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866933) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24064 + ... + 24099.

It is an arithmetic number, because the mean of its divisors is an integer number (156533).

2⁸⁶⁶⁹³⁴ is an apocalyptic number.

866934 is an abundant number, since it is smaller than the sum of its proper divisors (1011462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

866934 is a wasteful number, since it uses less digits than its factorization.

866934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48171 (or 48168 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 866934 is about 931.0929062129. The cubic root of 866934 is about 95.3517522999.

The spelling of 866934 in words is "eight hundred sixty-six thousand, nine hundred thirty-four".