449007831 has 12 divisors (see below), whose sum is σ = 648789960. Its totient is φ = 299235600.

The previous prime is 449007827. The next prime is 449007847. The reversal of 449007831 is 138700944.

It is a happy number.

It is not a de Polignac number, because 449007831 - 2² = 449007827 is a prime.

It is a super-2 number, since 2×449007831² = 403216064598649122, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449007821) 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, 26656 + ... + 40106.

It is an arithmetic number, because the mean of its divisors is an integer number (54065830).

Almost surely, 2^449007831 is an apocalyptic number.

449007831 is a deficient number, since it is larger than the sum of its proper divisors (199782129).

449007831 is a wasteful number, since it uses less digits than its factorization.

449007831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17166 (or 17163 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 449007831 is about 21189.8048834811. The cubic root of 449007831 is about 765.7458265196.

The spelling of 449007831 in words is "four hundred forty-nine million, seven thousand, eight hundred thirty-one".