998854124 has 6 divisors (see below), whose sum is σ = 1747994724. Its totient is φ = 499427060.

The previous prime is 998854099. The next prime is 998854133. The reversal of 998854124 is 421458899.

It is a super-2 number, since 2×998854124² = 1995419122063614752, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 124856762 + ... + 124856769.

It is an arithmetic number, because the mean of its divisors is an integer number (291332454).

Almost surely, 2^998854124 is an apocalyptic number.

It is an amenable number.

998854124 is a deficient number, since it is larger than the sum of its proper divisors (749140600).

998854124 is a wasteful number, since it uses less digits than its factorization.

998854124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249713535 (or 249713533 counting only the distinct ones).

The product of its digits is 829440, while the sum is 50.

The square root of 998854124 is about 31604.6535181134. The cubic root of 998854124 is about 999.6178953480.

The spelling of 998854124 in words is "nine hundred ninety-eight million, eight hundred fifty-four thousand, one hundred twenty-four".