998824061 has 16 divisors (see below), whose sum is σ = 1086773760. Its totient is φ = 915620160.

The previous prime is 998824037. The next prime is 998824067. The reversal of 998824061 is 160428899.

It is a cyclic number.

It is not a de Polignac number, because 998824061 - 2⁶ = 998823997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 998823997 and 998824015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998824067) 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, 37166 + ... + 58128.

It is an arithmetic number, because the mean of its divisors is an integer number (67923360).

Almost surely, 2^998824061 is an apocalyptic number.

It is an amenable number.

998824061 is a deficient number, since it is larger than the sum of its proper divisors (87949699).

998824061 is a wasteful number, since it uses less digits than its factorization.

998824061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21076.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 998824061 is about 31604.1779041949. The cubic root of 998824061 is about 999.6078665848.

The spelling of 998824061 in words is "nine hundred ninety-eight million, eight hundred twenty-four thousand, sixty-one".