450986 has 4 divisors (see below), whose sum is σ = 676482. Its totient is φ = 225492.

The previous prime is 450971. The next prime is 450991. The reversal of 450986 is 689054.

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., 265225 + 185761 = 515^2 + 431^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112745 + ... + 112748.

2⁴⁵⁰⁹⁸⁶ is an apocalyptic number.

450986 is a deficient number, since it is larger than the sum of its proper divisors (225496).

450986 is a wasteful number, since it uses less digits than its factorization.

450986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225495.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 450986 is about 671.5549121256. The cubic root of 450986 is about 76.6868713814.

The spelling of 450986 in words is "four hundred fifty thousand, nine hundred eighty-six".