498109698 has 12 divisors (see below), whose sum is σ = 1079237718. Its totient is φ = 166036560.

The previous prime is 498109693. The next prime is 498109709. The reversal of 498109698 is 896901894.

It can be written as a sum of positive squares in only one way, i.e., 356190129 + 141919569 = 18873^2 + 11913^2 .

It is a super-2 number, since 2×498109698² = 496226542483302408, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (498109693) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13836363 + ... + 13836398.

Almost surely, 2^498109698 is an apocalyptic number.

498109698 is an abundant number, since it is smaller than the sum of its proper divisors (581128020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

498109698 is a wasteful number, since it uses less digits than its factorization.

498109698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27672769 (or 27672766 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 498109698 is about 22318.3713115451. The cubic root of 498109698 is about 792.6990403872.

The spelling of 498109698 in words is "four hundred ninety-eight million, one hundred nine thousand, six hundred ninety-eight".