866023394 has 8 divisors (see below), whose sum is σ = 1299210240. Its totient is φ = 432953316.

The previous prime is 866023391. The next prime is 866023427. The reversal of 866023394 is 493320668.

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

It is not an unprimeable number, because it can be changed into a prime (866023391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7394 + ... + 42269.

It is an arithmetic number, because the mean of its divisors is an integer number (162401280).

Almost surely, 2^866023394 is an apocalyptic number.

866023394 is a deficient number, since it is larger than the sum of its proper divisors (433186846).

866023394 is a wasteful number, since it uses less digits than its factorization.

866023394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58384.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 866023394 is about 29428.2754166805. The cubic root of 866023394 is about 953.1835556450.

The spelling of 866023394 in words is "eight hundred sixty-six million, twenty-three thousand, three hundred ninety-four".