9801118 has 4 divisors (see below), whose sum is σ = 14701680. Its totient is φ = 4900558.

The previous prime is 9801109. The next prime is 9801133. The reversal of 9801118 is 8111089.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2450278 + ... + 2450281.

It is an arithmetic number, because the mean of its divisors is an integer number (3675420).

Almost surely, 2^9801118 is an apocalyptic number.

9801118 is a deficient number, since it is larger than the sum of its proper divisors (4900562).

9801118 is a wasteful number, since it uses less digits than its factorization.

9801118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4900561.

The product of its (nonzero) digits is 576, while the sum is 28.

The square root of 9801118 is about 3130.6737294071. The cubic root of 9801118 is about 214.0056335315.

The spelling of 9801118 in words is "nine million, eight hundred one thousand, one hundred eighteen".