439849453 has 12 divisors (see below), whose sum is σ = 455011200. Its totient is φ = 425127032.

The previous prime is 439849441. The next prime is 439849457. The reversal of 439849453 is 354948934.

It is a de Polignac number, because none of the positive numbers 2^k-439849453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 439849397 and 439849406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439849457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182148 + ... + 184546.

It is an arithmetic number, because the mean of its divisors is an integer number (37917600).

Almost surely, 2^439849453 is an apocalyptic number.

It is an amenable number.

439849453 is a deficient number, since it is larger than the sum of its proper divisors (15161747).

439849453 is an equidigital number, since it uses as much as digits as its factorization.

439849453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576 (or 2529 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 49.

The square root of 439849453 is about 20972.5881330846. The cubic root of 439849453 is about 760.5037363351.

The spelling of 439849453 in words is "four hundred thirty-nine million, eight hundred forty-nine thousand, four hundred fifty-three".