866954 has 16 divisors (see below), whose sum is σ = 1433376. Its totient is φ = 390000.

The previous prime is 866953. The next prime is 866963. The reversal of 866954 is 459668.

866954 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 866954.

It is not an unprimeable number, because it can be changed into a prime (866953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3329 + ... + 3579.

It is an arithmetic number, because the mean of its divisors is an integer number (89586).

2⁸⁶⁶⁹⁵⁴ is an apocalyptic number.

866954 is a deficient number, since it is larger than the sum of its proper divisors (566422).

866954 is a wasteful number, since it uses less digits than its factorization.

866954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421.

The product of its digits is 51840, while the sum is 38.

The square root of 866954 is about 931.1036462178. The cubic root of 866954 is about 95.3524855431.

The spelling of 866954 in words is "eight hundred sixty-six thousand, nine hundred fifty-four".