365986 has 8 divisors (see below), whose sum is σ = 566784. Its totient is φ = 177060.

The previous prime is 365983. The next prime is 366001. The reversal of 365986 is 689563.

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 (365983) 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, 2890 + ... + 3013.

It is an arithmetic number, because the mean of its divisors is an integer number (70848).

2³⁶⁵⁹⁸⁶ is an apocalyptic number.

365986 is a deficient number, since it is larger than the sum of its proper divisors (200798).

365986 is a wasteful number, since it uses less digits than its factorization.

365986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5936.

The product of its digits is 38880, while the sum is 37.

The square root of 365986 is about 604.9677677364. The cubic root of 365986 is about 71.5299888872.

It can be divided in two parts, 36 and 5986, that multiplied together give a triangular number (215496 = T₆₅₆).

The spelling of 365986 in words is "three hundred sixty-five thousand, nine hundred eighty-six".