504393449 has 8 divisors (see below), whose sum is σ = 576822528. Its totient is φ = 432057600.

The previous prime is 504393431. The next prime is 504393493. The reversal of 504393449 is 944393405.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504393449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (504393649) 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, 11297 + ... + 33710.

It is an arithmetic number, because the mean of its divisors is an integer number (72102816).

Almost surely, 2^504393449 is an apocalyptic number.

It is an amenable number.

504393449 is a deficient number, since it is larger than the sum of its proper divisors (72429079).

504393449 is a wasteful number, since it uses less digits than its factorization.

504393449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46615.

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 504393449 is about 22458.7054168311. The cubic root of 504393449 is about 796.0184718532.

The spelling of 504393449 in words is "five hundred four million, three hundred ninety-three thousand, four hundred forty-nine".