998796458 has 16 divisors (see below), whose sum is σ = 1635336864. Its totient is φ = 453736560.

The previous prime is 998796457. The next prime is 998796467. The reversal of 998796458 is 854697899.

998796458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 998796394 and 998796403.

It is not an unprimeable number, because it can be changed into a prime (998796451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28916 + ... + 53232.

It is an arithmetic number, because the mean of its divisors is an integer number (102208554).

Almost surely, 2^998796458 is an apocalyptic number.

998796458 is a deficient number, since it is larger than the sum of its proper divisors (636540406).

998796458 is a wasteful number, since it uses less digits than its factorization.

998796458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26197.

The product of its digits is 39191040, while the sum is 65.

The square root of 998796458 is about 31603.7412025855. The cubic root of 998796458 is about 999.5986582797.

The spelling of 998796458 in words is "nine hundred ninety-eight million, seven hundred ninety-six thousand, four hundred fifty-eight".