9448891 has 4 divisors (see below), whose sum is σ = 9458800. Its totient is φ = 9438984.

The previous prime is 9448877. The next prime is 9448897. The reversal of 9448891 is 1988449.

9448891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9448891 - 2¹⁹ = 8924603 is a prime.

It is a super-2 number, since 2×9448891² = 178563082259762, which contains 22 as substring.

It is a Duffinian number.

9448891 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9448897) 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, 3351 + ... + 5488.

It is an arithmetic number, because the mean of its divisors is an integer number (2364700).

Almost surely, 2^9448891 is an apocalyptic number.

9448891 is a deficient number, since it is larger than the sum of its proper divisors (9909).

9448891 is a wasteful number, since it uses less digits than its factorization.

9448891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9908.

The product of its digits is 82944, while the sum is 43.

The square root of 9448891 is about 3073.9048456320. The cubic root of 9448891 is about 211.4106913164.

It can be divided in two parts, 9 and 448891, that added together give a square (448900 = 670²).

The spelling of 9448891 in words is "nine million, four hundred forty-eight thousand, eight hundred ninety-one".