506978504 has 16 divisors (see below), whose sum is σ = 966697200. Its totient is φ = 249192592.

The previous prime is 506978491. The next prime is 506978509. The reversal of 506978504 is 405879605.

It is not an unprimeable number, because it can be changed into a prime (506978509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536582 + ... + 537525.

It is an arithmetic number, because the mean of its divisors is an integer number (60418575).

Almost surely, 2^506978504 is an apocalyptic number.

It is an amenable number.

506978504 is a deficient number, since it is larger than the sum of its proper divisors (459718696).

506978504 is a wasteful number, since it uses less digits than its factorization.

506978504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074172 (or 1074168 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 506978504 is about 22516.1831578978. The cubic root of 506978504 is about 797.3760404550.

The spelling of 506978504 in words is "five hundred six million, nine hundred seventy-eight thousand, five hundred four".