998441642 has 8 divisors (see below), whose sum is σ = 1633813632.
Its totient is φ = 453837100.
The previous prime is 998441623. The next prime is 998441663. The reversal of 998441642 is 246144899.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a pancake number, because a pancake can be divided into 998441642 parts by 44686 straight cuts.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22691834 + ... + 22691877.
It is an arithmetic number, because the mean of its divisors is an integer number (204226704).
Almost surely, 2998441642 is an apocalyptic number.
998441642 is a deficient number, since it is larger than the sum of its proper divisors (635371990).
998441642 is a wasteful number, since it uses less digits than its factorization.
998441642 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45383724.
The product of its digits is 497664, while the sum is 47.
The square root of 998441642 is about 31598.1271913384.
The cubic root of 998441642 is about 999.4802772684.
The spelling of 998441642 in words is "nine hundred ninety-eight million, four hundred forty-one thousand, six hundred forty-two".