449791 has 4 divisors (see below), whose sum is σ = 452032. Its totient is φ = 447552.

The previous prime is 449783. The next prime is 449797. The reversal of 449791 is 197944.

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 449791 - 2³ = 449783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449797) 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, 786 + ... + 1231.

It is an arithmetic number, because the mean of its divisors is an integer number (113008).

2⁴⁴⁹⁷⁹¹ is an apocalyptic number.

449791 is a deficient number, since it is larger than the sum of its proper divisors (2241).

449791 is a wasteful number, since it uses less digits than its factorization.

449791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240.

The product of its digits is 9072, while the sum is 34.

The square root of 449791 is about 670.6645957556. The cubic root of 449791 is about 76.6190777969.

The spelling of 449791 in words is "four hundred forty-nine thousand, seven hundred ninety-one".