69986 has 8 divisors (see below), whose sum is σ = 120000. Its totient is φ = 29988.

The previous prime is 69959. The next prime is 69991. The reversal of 69986 is 68996.

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

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, 2486 + ... + 2513.

It is an arithmetic number, because the mean of its divisors is an integer number (15000).

2⁶⁹⁹⁸⁶ is an apocalyptic number.

69986 is a deficient number, since it is larger than the sum of its proper divisors (50014).

69986 is a wasteful number, since it uses less digits than its factorization.

69986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5008.

The product of its digits is 23328, while the sum is 38.

The square root of 69986 is about 264.5486722703. The cubic root of 69986 is about 41.2101052914.

Subtracting from 69986 its reverse (68996), we obtain a triangular number (990 = T₄₄).

The spelling of 69986 in words is "sixty-nine thousand, nine hundred eighty-six".