449667 has 12 divisors (see below), whose sum is σ = 687960. Its totient is φ = 282048.

The previous prime is 449663. The next prime is 449671. The reversal of 449667 is 766944.

It is an interprime number because it is at equal distance from previous prime (449663) and next prime (449671).

It is not a de Polignac number, because 449667 - 2² = 449663 is a prime.

449667 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 449667.

It is not an unprimeable number, because it can be changed into a prime (449663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1317 + ... + 1622.

It is an arithmetic number, because the mean of its divisors is an integer number (57330).

2⁴⁴⁹⁶⁶⁷ is an apocalyptic number.

449667 is a deficient number, since it is larger than the sum of its proper divisors (238293).

449667 is a wasteful number, since it uses less digits than its factorization.

449667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962 (or 2959 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 449667 is about 670.5721437698. The cubic root of 449667 is about 76.6120362755.

The spelling of 449667 in words is "four hundred forty-nine thousand, six hundred sixty-seven".