449955 has 40 divisors (see below), whose sum is σ = 888624. Its totient is φ = 216000.

The previous prime is 449951. The next prime is 449959. The reversal of 449955 is 559944.

It is an interprime number because it is at equal distance from previous prime (449951) and next prime (449959).

It is not a de Polignac number, because 449955 - 2² = 449951 is a prime.

Its product of digits (32400) is a multiple of the sum of its prime divisors (120).

It is a nialpdrome in base 9.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (449951) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4405 + ... + 4505.

449955 is a Friedman number, since it can be written as 4545*99, using all its digits and the basic arithmetic operations.

2⁴⁴⁹⁹⁵⁵ is an apocalyptic number.

449955 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

449955 is a deficient number, since it is larger than the sum of its proper divisors (438669).

449955 is a wasteful number, since it uses less digits than its factorization.

449955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 120 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 449955 is about 670.7868513917. The cubic root of 449955 is about 76.6283887894.

It can be divided in two parts, 4499 and 55, that added together give a palindrome (4554).

The spelling of 449955 in words is "four hundred forty-nine thousand, nine hundred fifty-five".