9998486 has 4 divisors (see below), whose sum is σ = 14997732. Its totient is φ = 4999242.

The previous prime is 9998479. The next prime is 9998539. The reversal of 9998486 is 6848999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6848999 = 223 ⋅30713.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2499620 + ... + 2499623.

It is an arithmetic number, because the mean of its divisors is an integer number (3749433).

Almost surely, 2^9998486 is an apocalyptic number.

9998486 is a deficient number, since it is larger than the sum of its proper divisors (4999246).

9998486 is a wasteful number, since it uses less digits than its factorization.

9998486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4999245.

The product of its digits is 1119744, while the sum is 53.

The square root of 9998486 is about 3162.0382666881. The cubic root of 9998486 is about 215.4325957407.

The spelling of 9998486 in words is "nine million, nine hundred ninety-eight thousand, four hundred eighty-six".