455998 has 12 divisors (see below), whose sum is σ = 716688. Its totient is φ = 217580.

The previous prime is 455993. The next prime is 455999. The reversal of 455998 is 899554.

It is a self number, because there is not a number n which added to its sum of digits gives 455998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 843 + ... + 1273.

It is an arithmetic number, because the mean of its divisors is an integer number (59724).

2⁴⁵⁵⁹⁹⁸ is an apocalyptic number.

455998 is a deficient number, since it is larger than the sum of its proper divisors (260690).

455998 is a wasteful number, since it uses less digits than its factorization.

455998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479 (or 456 counting only the distinct ones).

The product of its digits is 64800, while the sum is 40.

The square root of 455998 is about 675.2762397715. The cubic root of 455998 is about 76.9699100961.

Subtracting 455998 from its reverse (899554), we obtain a square (443556 = 666²).

The spelling of 455998 in words is "four hundred fifty-five thousand, nine hundred ninety-eight".