498939838 has 16 divisors (see below), whose sum is σ = 776044080. Its totient is φ = 240299136.

The previous prime is 498939811. The next prime is 498939853. The reversal of 498939838 is 838939894.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15181 + ... + 35047.

It is an arithmetic number, because the mean of its divisors is an integer number (48502755).

Almost surely, 2^498939838 is an apocalyptic number.

498939838 is a deficient number, since it is larger than the sum of its proper divisors (277104242).

498939838 is a wasteful number, since it uses less digits than its factorization.

498939838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20331.

The product of its digits is 13436928, while the sum is 61.

The square root of 498939838 is about 22336.9612525966. The cubic root of 498939838 is about 793.1391616142.

The spelling of 498939838 in words is "four hundred ninety-eight million, nine hundred thirty-nine thousand, eight hundred thirty-eight".