9998026 has 8 divisors (see below), whose sum is σ = 15280164. Its totient is φ = 4904640.

The previous prime is 9998017. The next prime is 9998033. The reversal of 9998026 is 6208999.

It can be written as a sum of positive squares in 2 ways, for example, as 8555625 + 1442401 = 2925^2 + 1201^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47055 + ... + 47266.

Almost surely, 2^9998026 is an apocalyptic number.

9998026 is a deficient number, since it is larger than the sum of its proper divisors (5282138).

9998026 is a wasteful number, since it uses less digits than its factorization.

9998026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94376.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 9998026 is about 3161.9655279588. The cubic root of 9998026 is about 215.4292918900.

It can be divided in two parts, 999 and 8026, that added together give a square (9025 = 95²).

The spelling of 9998026 in words is "nine million, nine hundred ninety-eight thousand, twenty-six".