498505895 has 4 divisors (see below), whose sum is σ = 598207080. Its totient is φ = 398804712.

The previous prime is 498505859. The next prime is 498505897. The reversal of 498505895 is 598505894.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 498505895 - 2⁸ = 498505639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498505897) by changing a digit.

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, 49850585 + ... + 49850594.

It is an arithmetic number, because the mean of its divisors is an integer number (149551770).

Almost surely, 2^498505895 is an apocalyptic number.

498505895 is a deficient number, since it is larger than the sum of its proper divisors (99701185).

498505895 is an equidigital number, since it uses as much as digits as its factorization.

498505895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99701184.

The product of its (nonzero) digits is 2592000, while the sum is 53.

The square root of 498505895 is about 22327.2455757534. The cubic root of 498505895 is about 792.9091559170.

Subtracting 498505895 from its reverse (598505894), we obtain a palindrome (99999999).

The spelling of 498505895 in words is "four hundred ninety-eight million, five hundred five thousand, eight hundred ninety-five".