866232894 has 8 divisors (see below), whose sum is σ = 1732465800. Its totient is φ = 288744296.

The previous prime is 866232847. The next prime is 866232947. The reversal of 866232894 is 498232668.

It is a sphenic number, since it is the product of 3 distinct primes.

866232894 is an admirable number.

It is a super-3 number, since 3×866232894³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72186069 + ... + 72186080.

It is an arithmetic number, because the mean of its divisors is an integer number (216558225).

Almost surely, 2^866232894 is an apocalyptic number.

866232894 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

866232894 is a wasteful number, since it uses less digits than its factorization.

866232894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144372154.

The product of its digits is 995328, while the sum is 48.

The square root of 866232894 is about 29431.8347032597. The cubic root of 866232894 is about 953.2604110956.

The spelling of 866232894 in words is "eight hundred sixty-six million, two hundred thirty-two thousand, eight hundred ninety-four".