449100 has 54 divisors (see below), whose sum is σ = 1410500. Its totient is φ = 119520.

The previous prime is 449093. The next prime is 449107. The reversal of 449100 is 1944.

It is an interprime number because it is at equal distance from previous prime (449093) and next prime (449107).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 449100.

It is not an unprimeable number, because it can be changed into a prime (449107) by changing a digit.

449100 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 651 + ... + 1149.

2⁴⁴⁹¹⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (705250).

449100 is an abundant number, since it is smaller than the sum of its proper divisors (961400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449100 is a wasteful number, since it uses less digits than its factorization.

449100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 449100 is about 670.1492371107. The cubic root of 449100 is about 76.5798218478.

The spelling of 449100 in words is "four hundred forty-nine thousand, one hundred".