449542 has 4 divisors (see below), whose sum is σ = 674316. Its totient is φ = 224770.

The previous prime is 449473. The next prime is 449543. The reversal of 449542 is 245944.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 449542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112384 + ... + 112387.

It is an arithmetic number, because the mean of its divisors is an integer number (168579).

2⁴⁴⁹⁵⁴² is an apocalyptic number.

449542 is a deficient number, since it is larger than the sum of its proper divisors (224774).

449542 is a wasteful number, since it uses less digits than its factorization.

449542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224773.

The product of its digits is 5760, while the sum is 28.

The square root of 449542 is about 670.4789333007. The cubic root of 449542 is about 76.6049366573.

The spelling of 449542 in words is "four hundred forty-nine thousand, five hundred forty-two".