998958441 has 16 divisors (see below), whose sum is σ = 1458717120. Its totient is φ = 604322880.

The previous prime is 998958347. The next prime is 998958451. The reversal of 998958441 is 144859899.

It is not a de Polignac number, because 998958441 - 2¹¹ = 998956393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (998958451) 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 15 ways as a sum of consecutive naturals, for example, 214770 + ... + 219371.

It is an arithmetic number, because the mean of its divisors is an integer number (91169820).

Almost surely, 2^998958441 is an apocalyptic number.

It is an amenable number.

998958441 is a deficient number, since it is larger than the sum of its proper divisors (459758679).

998958441 is a wasteful number, since it uses less digits than its factorization.

998958441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434216.

The product of its digits is 3732480, while the sum is 57.

The square root of 998958441 is about 31606.3038174349. The cubic root of 998958441 is about 999.6526930585.

The spelling of 998958441 in words is "nine hundred ninety-eight million, nine hundred fifty-eight thousand, four hundred forty-one".