449658 has 32 divisors (see below), whose sum is σ = 1091520. Its totient is φ = 136080.

The previous prime is 449653. The next prime is 449663. The reversal of 449658 is 856944.

It is an interprime number because it is at equal distance from previous prime (449653) and next prime (449663).

It is not an unprimeable number, because it can be changed into a prime (449653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216 + ... + 972.

It is an arithmetic number, because the mean of its divisors is an integer number (34110).

2⁴⁴⁹⁶⁵⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449658, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545760).

449658 is an abundant number, since it is smaller than the sum of its proper divisors (641862).

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

449658 is a wasteful number, since it uses less digits than its factorization.

449658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779 (or 773 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 449658 is about 670.5654330489. The cubic root of 449658 is about 76.6115251470.

It can be divided in two parts, 4496 and 58, that added together give a palindrome (4554).

The spelling of 449658 in words is "four hundred forty-nine thousand, six hundred fifty-eight".