504733987 has 4 divisors (see below), whose sum is σ = 515473056. Its totient is φ = 493994920.

The previous prime is 504733969. The next prime is 504734003. The reversal of 504733987 is 789337405.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504733987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (504733087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5369464 + ... + 5369557.

It is an arithmetic number, because the mean of its divisors is an integer number (128868264).

Almost surely, 2^504733987 is an apocalyptic number.

504733987 is a deficient number, since it is larger than the sum of its proper divisors (10739069).

504733987 is a wasteful number, since it uses less digits than its factorization.

504733987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10739068.

The product of its (nonzero) digits is 635040, while the sum is 46.

The square root of 504733987 is about 22466.2855630387. The cubic root of 504733987 is about 796.1975738069.

The spelling of 504733987 in words is "five hundred four million, seven hundred thirty-three thousand, nine hundred eighty-seven".