505242998 has 8 divisors (see below), whose sum is σ = 816161808. Its totient is φ = 233189064.

The previous prime is 505242971. The next prime is 505243021. The reversal of 505242998 is 899242505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9716186 + ... + 9716237.

It is an arithmetic number, because the mean of its divisors is an integer number (102020226).

Almost surely, 2^505242998 is an apocalyptic number.

505242998 is a deficient number, since it is larger than the sum of its proper divisors (310918810).

505242998 is a wasteful number, since it uses less digits than its factorization.

505242998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19432438.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 505242998 is about 22477.6110385423. The cubic root of 505242998 is about 796.4651320152.

The spelling of 505242998 in words is "five hundred five million, two hundred forty-two thousand, nine hundred ninety-eight".