498533643 has 12 divisors (see below), whose sum is σ = 738740280. Its totient is φ = 332278416.

The previous prime is 498533641. The next prime is 498533669. The reversal of 498533643 is 346335894.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 498533643 - 2¹ = 498533641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (498533641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113871 + ... + 118167.

It is an arithmetic number, because the mean of its divisors is an integer number (61561690).

Almost surely, 2^498533643 is an apocalyptic number.

498533643 is a deficient number, since it is larger than the sum of its proper divisors (240206637).

498533643 is an frugal number, since it uses more digits than its factorization.

498533643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8603 (or 4300 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The square root of 498533643 is about 22327.8669603704. The cubic root of 498533643 is about 792.9238673679.

The spelling of 498533643 in words is "four hundred ninety-eight million, five hundred thirty-three thousand, six hundred forty-three".