498123643 has 8 divisors (see below), whose sum is σ = 502907328. Its totient is φ = 493356864.

The previous prime is 498123631. The next prime is 498123649. The reversal of 498123643 is 346321894.

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 498123643 - 2¹³ = 498115451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 498123596 and 498123605.

It is not an unprimeable number, because it can be changed into a prime (498123649) 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, 59505 + ... + 67357.

It is an arithmetic number, because the mean of its divisors is an integer number (62863416).

Almost surely, 2^498123643 is an apocalyptic number.

498123643 is a deficient number, since it is larger than the sum of its proper divisors (4783685).

498123643 is a wasteful number, since it uses less digits than its factorization.

498123643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8453.

The product of its digits is 124416, while the sum is 40.

The square root of 498123643 is about 22318.6837201480. The cubic root of 498123643 is about 792.7064377436.

The spelling of 498123643 in words is "four hundred ninety-eight million, one hundred twenty-three thousand, six hundred forty-three".