449172 has 24 divisors (see below), whose sum is σ = 1164800. Its totient is φ = 149688.

The previous prime is 449171. The next prime is 449173. The reversal of 449172 is 271944.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (449171) and next prime (449173).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1972 + ... + 2187.

2⁴⁴⁹¹⁷² is an apocalyptic number.

It is an amenable number.

449172 is an abundant number, since it is smaller than the sum of its proper divisors (715628).

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

449172 is a wasteful number, since it uses less digits than its factorization.

449172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172 (or 4164 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 449172 is about 670.2029543355. The cubic root of 449172 is about 76.5839140711.

It can be divided in two parts, 44 and 9172, that added together give a square (9216 = 96²).

The spelling of 449172 in words is "four hundred forty-nine thousand, one hundred seventy-two".