32986 has 4 divisors (see below), whose sum is σ = 49482. Its totient is φ = 16492.

The previous prime is 32983. The next prime is 32987. The reversal of 32986 is 68923.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68923 = 157 ⋅439.

It can be written as a sum of positive squares in only one way, i.e., 32761 + 225 = 181^2 + 15^2 .

It is a d-powerful number, because it can be written as 3 + 2⁷ + 9² + 8⁵ + 6 .

It is not an unprimeable number, because it can be changed into a prime (32983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8245 + ... + 8248.

2³²⁹⁸⁶ is an apocalyptic number.

32986 is a deficient number, since it is larger than the sum of its proper divisors (16496).

32986 is a wasteful number, since it uses less digits than its factorization.

32986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16495.

The product of its digits is 2592, while the sum is 28.

The square root of 32986 is about 181.6204834263. The cubic root of 32986 is about 32.0708067512.

Subtracting 32986 from its reverse (68923), we obtain a cube (35937 = 33³).

The spelling of 32986 in words is "thirty-two thousand, nine hundred eighty-six".