504984789 has 6 divisors (see below), whose sum is σ = 729422486. Its totient is φ = 336656520.

The previous prime is 504984763. The next prime is 504984791. The reversal of 504984789 is 987489405.

504984789 is a `hidden beast` number, since 504 + 98 + 47 + 8 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 278723025 + 226261764 = 16695^2 + 15042^2 .

It is not a de Polignac number, because 504984789 - 2⁷ = 504984661 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 (504984719) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28054702 + ... + 28054719.

Almost surely, 2^504984789 is an apocalyptic number.

It is an amenable number.

504984789 is a deficient number, since it is larger than the sum of its proper divisors (224437697).

504984789 is a wasteful number, since it uses less digits than its factorization.

504984789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56109427 (or 56109424 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 504984789 is about 22471.8666113877. The cubic root of 504984789 is about 796.3294286607.

The spelling of 504984789 in words is "five hundred four million, nine hundred eighty-four thousand, seven hundred eighty-nine".