506681976 has 16 divisors (see below), whose sum is σ = 1266705000. Its totient is φ = 168893984.

The previous prime is 506681963. The next prime is 506681983. The reversal of 506681976 is 679186605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10555851 + ... + 10555898.

Almost surely, 2^506681976 is an apocalyptic number.

It is an amenable number.

506681976 is an abundant number, since it is smaller than the sum of its proper divisors (760023024).

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

506681976 is a wasteful number, since it uses less digits than its factorization.

506681976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21111758 (or 21111754 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 506681976 is about 22509.5974197674. The cubic root of 506681976 is about 797.2205503413.

The spelling of 506681976 in words is "five hundred six million, six hundred eighty-one thousand, nine hundred seventy-six".