449775 has 18 divisors (see below), whose sum is σ = 806000. Its totient is φ = 239760.

The previous prime is 449773. The next prime is 449783. The reversal of 449775 is 577944.

It is a happy number.

It is not a de Polignac number, because 449775 - 2¹ = 449773 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449773) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 775 + ... + 1224.

2⁴⁴⁹⁷⁷⁵ is an apocalyptic number.

449775 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

449775 is a deficient number, since it is larger than the sum of its proper divisors (356225).

449775 is a wasteful number, since it uses less digits than its factorization.

449775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015 (or 2007 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 449775 is about 670.6526671832. The cubic root of 449775 is about 76.6181692863.

The spelling of 449775 in words is "four hundred forty-nine thousand, seven hundred seventy-five".