9998371 has 4 divisors (see below), whose sum is σ = 10015992. Its totient is φ = 9980752.

The previous prime is 9998333. The next prime is 9998377. The reversal of 9998371 is 1738999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1738999 = 823 ⋅2113.

It is a cyclic number.

It is not a de Polignac number, because 9998371 - 2⁹ = 9997859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9998377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7930 + ... + 9103.

It is an arithmetic number, because the mean of its divisors is an integer number (2503998).

Almost surely, 2^9998371 is an apocalyptic number.

9998371 is a deficient number, since it is larger than the sum of its proper divisors (17621).

9998371 is a wasteful number, since it uses less digits than its factorization.

9998371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17620.

The product of its digits is 122472, while the sum is 46.

The square root of 9998371 is about 3162.0200821627. The cubic root of 9998371 is about 215.4317697875.

The spelling of 9998371 in words is "nine million, nine hundred ninety-eight thousand, three hundred seventy-one".