9498891 has 4 divisors (see below), whose sum is σ = 12665192. Its totient is φ = 6332592.

The previous prime is 9498889. The next prime is 9498913. The reversal of 9498891 is 1988949.

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

It is not a de Polignac number, because 9498891 - 2¹ = 9498889 is a prime.

It is a Duffinian number.

9498891 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9498891.

It is not an unprimeable number, because it can be changed into a prime (9498851) 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, 1583146 + ... + 1583151.

It is an arithmetic number, because the mean of its divisors is an integer number (3166298).

Almost surely, 2^9498891 is an apocalyptic number.

9498891 is a deficient number, since it is larger than the sum of its proper divisors (3166301).

9498891 is a wasteful number, since it uses less digits than its factorization.

9498891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166300.

The product of its digits is 186624, while the sum is 48.

The square root of 9498891 is about 3082.0270926778. The cubic root of 9498891 is about 211.7829376142.

The spelling of 9498891 in words is "nine million, four hundred ninety-eight thousand, eight hundred ninety-one".