498837698 has 18 divisors (see below), whose sum is σ = 795717291. Its totient is φ = 234494464.

The previous prime is 498837697. The next prime is 498837707. The reversal of 498837698 is 896738894.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 88491649 + 410346049 = 9407^2 + 20257^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=15793.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 498837698.

It is not an unprimeable number, because it can be changed into a prime (498837697) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 536498 + ... + 537426.

Almost surely, 2^498837698 is an apocalyptic number.

498837698 is a deficient number, since it is larger than the sum of its proper divisors (296879593).

498837698 is an frugal number, since it uses more digits than its factorization.

498837698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894 (or 948 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 62.

The square root of 498837698 is about 22334.6747905583. The cubic root of 498837698 is about 793.0850356745.

The spelling of 498837698 in words is "four hundred ninety-eight million, eight hundred thirty-seven thousand, six hundred ninety-eight".