506808988 has 24 divisors (see below), whose sum is σ = 1048572000. Its totient is φ = 209713728.

The previous prime is 506808961. The next prime is 506808989. The reversal of 506808988 is 889808605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506808989) 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, 311263 + ... + 312886.

It is an arithmetic number, because the mean of its divisors is an integer number (43690500).

Almost surely, 2^506808988 is an apocalyptic number.

506808988 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

506808988 is an abundant number, since it is smaller than the sum of its proper divisors (541763012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

506808988 is a wasteful number, since it uses less digits than its factorization.

506808988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624189 (or 624187 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 52.

The square root of 506808988 is about 22512.4185284478. The cubic root of 506808988 is about 797.2871589319.

The spelling of 506808988 in words is "five hundred six million, eight hundred eight thousand, nine hundred eighty-eight".