998441046 has 48 divisors (see below), whose sum is σ = 2256181200. Its totient is φ = 327291840.

The previous prime is 998441039. The next prime is 998441047. The reversal of 998441046 is 640144899.

It is a junction number, because it is equal to n+sod(n) for n = 998440992 and 998441010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998441047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198450 + ... + 203418.

It is an arithmetic number, because the mean of its divisors is an integer number (47003775).

Almost surely, 2^998441046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 998441046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1128090600).

998441046 is an abundant number, since it is smaller than the sum of its proper divisors (1257740154).

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

998441046 is a wasteful number, since it uses less digits than its factorization.

998441046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5102 (or 5035 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 998441046 is about 31598.1177603983. The cubic root of 998441046 is about 999.4800783950.

The spelling of 998441046 in words is "nine hundred ninety-eight million, four hundred forty-one thousand, forty-six".