498044209 has 4 divisors (see below), whose sum is σ = 536355316. Its totient is φ = 459733104.

The previous prime is 498044167. The next prime is 498044221. The reversal of 498044209 is 902440894.

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

It can be written as a sum of positive squares in 2 ways, for example, as 52707600 + 445336609 = 7260^2 + 21103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-498044209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498044509) 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, 19155534 + ... + 19155559.

It is an arithmetic number, because the mean of its divisors is an integer number (134088829).

Almost surely, 2^498044209 is an apocalyptic number.

It is an amenable number.

498044209 is a deficient number, since it is larger than the sum of its proper divisors (38311107).

498044209 is a wasteful number, since it uses less digits than its factorization.

498044209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38311106.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 498044209 is about 22316.9041087692. The cubic root of 498044209 is about 792.6642988146.

The spelling of 498044209 in words is "four hundred ninety-eight million, forty-four thousand, two hundred nine".