455986 has 4 divisors (see below), whose sum is σ = 683982. Its totient is φ = 227992.

The previous prime is 455977. The next prime is 455989. The reversal of 455986 is 689554.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 455625 + 361 = 675^2 + 19^2 .

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (455989) by changing a digit.

455986 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113995 + ... + 113998.

2⁴⁵⁵⁹⁸⁶ is an apocalyptic number.

455986 is a deficient number, since it is larger than the sum of its proper divisors (227996).

455986 is a wasteful number, since it uses less digits than its factorization.

455986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227995.

The product of its digits is 43200, while the sum is 37.

The square root of 455986 is about 675.2673544604. The cubic root of 455986 is about 76.9692349126.

It can be divided in two parts, 455 and 986, that added together give a palindrome (1441).

The spelling of 455986 in words is "four hundred fifty-five thousand, nine hundred eighty-six".