449831 has 4 divisors (see below), whose sum is σ = 453000. Its totient is φ = 446664.

The previous prime is 449821. The next prime is 449833. The reversal of 449831 is 138944.

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

It is a cyclic number.

It is not a de Polignac number, because 449831 - 2⁶ = 449767 is a prime.

It is a super-2 number, since 2×449831² = 404695857122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 449794 and 449803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1361 + ... + 1658.

It is an arithmetic number, because the mean of its divisors is an integer number (113250).

2⁴⁴⁹⁸³¹ is an apocalyptic number.

449831 is a deficient number, since it is larger than the sum of its proper divisors (3169).

449831 is a wasteful number, since it uses less digits than its factorization.

449831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3168.

The product of its digits is 3456, while the sum is 29.

The square root of 449831 is about 670.6944162583. The cubic root of 449831 is about 76.6213489794.

The spelling of 449831 in words is "four hundred forty-nine thousand, eight hundred thirty-one".