498021899 has 8 divisors (see below), whose sum is σ = 500511648. Its totient is φ = 495538560.

The previous prime is 498021893. The next prime is 498021911. The reversal of 498021899 is 998120894.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 498021899 - 2²⁴ = 481244683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498021893) 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 7 ways as a sum of consecutive naturals, for example, 229379 + ... + 231539.

It is an arithmetic number, because the mean of its divisors is an integer number (62563956).

Almost surely, 2^498021899 is an apocalyptic number.

498021899 is a deficient number, since it is larger than the sum of its proper divisors (2489749).

498021899 is a wasteful number, since it uses less digits than its factorization.

498021899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205.

The product of its (nonzero) digits is 373248, while the sum is 50.

The square root of 498021899 is about 22316.4042578548. The cubic root of 498021899 is about 792.6524627806.

The spelling of 498021899 in words is "four hundred ninety-eight million, twenty-one thousand, eight hundred ninety-nine".