449436 has 48 divisors (see below), whose sum is σ = 1172864. Its totient is φ = 133056.

The previous prime is 449419. The next prime is 449437. The reversal of 449436 is 634944.

Its product of digits (10368) is a multiple of the sum of its prime divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449437) by changing a digit.

449436 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 15 ways as a sum of consecutive naturals, for example, 6675 + ... + 6741.

2⁴⁴⁹⁴³⁶ 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 449436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (586432).

449436 is an abundant number, since it is smaller than the sum of its proper divisors (723428).

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

449436 is a wasteful number, since it uses less digits than its factorization.

449436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 128 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 449436 is about 670.3998806682. The cubic root of 449436 is about 76.5989151498.

The spelling of 449436 in words is "four hundred forty-nine thousand, four hundred thirty-six".