505006904 has 16 divisors (see below), whose sum is σ = 948042600. Its totient is φ = 252195552.

The previous prime is 505006903. The next prime is 505006907. The reversal of 505006904 is 409600505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505006903) 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, 31442 + ... + 44705.

Almost surely, 2^505006904 is an apocalyptic number.

It is an amenable number.

505006904 is a deficient number, since it is larger than the sum of its proper divisors (443035696).

505006904 is a wasteful number, since it uses less digits than its factorization.

505006904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76982 (or 76978 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 505006904 is about 22472.3586657031. The cubic root of 505006904 is about 796.3410531482.

The spelling of 505006904 in words is "five hundred five million, six thousand, nine hundred four".