504994389 has 16 divisors (see below), whose sum is σ = 696822720. Its totient is φ = 325054080.

The previous prime is 504994349. The next prime is 504994397. The reversal of 504994389 is 983499405.

It is not a de Polignac number, because 504994389 - 2⁷ = 504994261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504994349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2824 + ... + 31905.

It is an arithmetic number, because the mean of its divisors is an integer number (43551420).

Almost surely, 2^504994389 is an apocalyptic number.

It is an amenable number.

504994389 is a deficient number, since it is larger than the sum of its proper divisors (191828331).

504994389 is a wasteful number, since it uses less digits than its factorization.

504994389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34900.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 504994389 is about 22472.0802107860. The cubic root of 504994389 is about 796.3344748285.

The spelling of 504994389 in words is "five hundred four million, nine hundred ninety-four thousand, three hundred eighty-nine".