505598976 has 88 divisors (see below), whose sum is σ = 1497421440. Its totient is φ = 168523776.

The previous prime is 505598939. The next prime is 505598981. The reversal of 505598976 is 679895505.

It is a happy number.

505598976 is a `hidden beast` number, since 5 + 0 + 559 + 89 + 7 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18505 + ... + 36791.

Almost surely, 2^505598976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505598976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (748710720).

505598976 is an abundant number, since it is smaller than the sum of its proper divisors (991822464).

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

505598976 is a wasteful number, since it uses less digits than its factorization.

505598976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18316 (or 18292 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 54.

The square root of 505598976 is about 22485.5281458986. The cubic root of 505598976 is about 796.6521426910.

The spelling of 505598976 in words is "five hundred five million, five hundred ninety-eight thousand, nine hundred seventy-six".