860969986 has 8 divisors (see below), whose sum is σ = 1292514624. Its totient is φ = 430131780.

The previous prime is 860969969. The next prime is 860969987. The reversal of 860969986 is 689969068.

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 (860969987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173550 + ... + 178441.

It is an arithmetic number, because the mean of its divisors is an integer number (161564328).

Almost surely, 2^860969986 is an apocalyptic number.

860969986 is a deficient number, since it is larger than the sum of its proper divisors (431544638).

860969986 is a wasteful number, since it uses less digits than its factorization.

860969986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353216.

The product of its (nonzero) digits is 10077696, while the sum is 61.

The square root of 860969986 is about 29342.2900605934. The cubic root of 860969986 is about 951.3259364957.

The spelling of 860969986 in words is "eight hundred sixty million, nine hundred sixty-nine thousand, nine hundred eighty-six".