505497964 has 48 divisors (see below), whose sum is σ = 948640000. Its totient is φ = 235006272.

The previous prime is 505497931. The next prime is 505497977. The reversal of 505497964 is 469794505.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1151257 + ... + 1151695.

Almost surely, 2^505497964 is an apocalyptic number.

It is an amenable number.

505497964 is a deficient number, since it is larger than the sum of its proper divisors (443142036).

505497964 is a wasteful number, since it uses less digits than its factorization.

505497964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 49.

The square root of 505497964 is about 22483.2818778754. The cubic root of 505497964 is about 796.5990856308.

The spelling of 505497964 in words is "five hundred five million, four hundred ninety-seven thousand, nine hundred sixty-four".