363986 has 8 divisors (see below), whose sum is σ = 624000. Its totient is φ = 155988.

The previous prime is 363977. The next prime is 363989. The reversal of 363986 is 689363.

363986 is nontrivially palindromic in base 13.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 363986.

It is not an unprimeable number, because it can be changed into a prime (363989) by changing a digit.

363986 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12986 + ... + 13013.

It is an arithmetic number, because the mean of its divisors is an integer number (78000).

2³⁶³⁹⁸⁶ is an apocalyptic number.

363986 is a deficient number, since it is larger than the sum of its proper divisors (260014).

363986 is a wasteful number, since it uses less digits than its factorization.

363986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26008.

The product of its digits is 23328, while the sum is 35.

The square root of 363986 is about 603.3125226613. The cubic root of 363986 is about 71.3994544181.

The spelling of 363986 in words is "three hundred sixty-three thousand, nine hundred eighty-six".