866899306 has 32 divisors (see below), whose sum is σ = 1606469760. Its totient is φ = 341654976.

The previous prime is 866899303. The next prime is 866899351. The reversal of 866899306 is 603998668.

It is not an unprimeable number, because it can be changed into a prime (866899303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40105 + ... + 57811.

It is an arithmetic number, because the mean of its divisors is an integer number (50202180).

Almost surely, 2^866899306 is an apocalyptic number.

866899306 is a deficient number, since it is larger than the sum of its proper divisors (739570454).

866899306 is a wasteful number, since it uses less digits than its factorization.

866899306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17998.

The product of its (nonzero) digits is 3359232, while the sum is 55.

The square root of 866899306 is about 29443.1538052567. The cubic root of 866899306 is about 953.5048031614.

The spelling of 866899306 in words is "eight hundred sixty-six million, eight hundred ninety-nine thousand, three hundred six".