498630565 has 8 divisors (see below), whose sum is σ = 601663608. Its totient is φ = 396699840.

The previous prime is 498630563. The next prime is 498630571. The reversal of 498630565 is 565036894.

It can be written as a sum of positive squares in 4 ways, for example, as 492804 + 498137761 = 702^2 + 22319^2 .

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

It is not a de Polignac number, because 498630565 - 2¹ = 498630563 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498630563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274582 + ... + 276391.

It is an arithmetic number, because the mean of its divisors is an integer number (75207951).

Almost surely, 2^498630565 is an apocalyptic number.

It is an amenable number.

498630565 is a deficient number, since it is larger than the sum of its proper divisors (103033043).

498630565 is a wasteful number, since it uses less digits than its factorization.

498630565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551159.

The product of its (nonzero) digits is 777600, while the sum is 46.

The square root of 498630565 is about 22330.0372816527. The cubic root of 498630565 is about 792.9752492478.

The spelling of 498630565 in words is "four hundred ninety-eight million, six hundred thirty thousand, five hundred sixty-five".