866000998 has 8 divisors (see below), whose sum is σ = 1299665808. Its totient is φ = 432779064.

The previous prime is 866000909. The next prime is 866001011. The reversal of 866000998 is 899000668.

It is a happy number.

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

866000998 is a strobogrammatic number because it is the same when read upside-down.

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, 105786 + ... + 113677.

It is an arithmetic number, because the mean of its divisors is an integer number (162458226).

Almost surely, 2^866000998 is an apocalyptic number.

866000998 is a deficient number, since it is larger than the sum of its proper divisors (433664810).

866000998 is a wasteful number, since it uses less digits than its factorization.

866000998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221438.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 866000998 is about 29427.8948958297. The cubic root of 866000998 is about 953.1753388990.

The spelling of 866000998 in words is "eight hundred sixty-six million, nine hundred ninety-eight", and thus it is an aban number.