9481921 has 4 divisors (see below), whose sum is σ = 9683712. Its totient is φ = 9280132.

The previous prime is 9481889. The next prime is 9481951. The reversal of 9481921 is 1291849.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9481921 - 2⁵ = 9481889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9481951) 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, 100825 + ... + 100918.

It is an arithmetic number, because the mean of its divisors is an integer number (2420928).

Almost surely, 2^9481921 is an apocalyptic number.

It is an amenable number.

9481921 is a deficient number, since it is larger than the sum of its proper divisors (201791).

9481921 is a wasteful number, since it uses less digits than its factorization.

9481921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201790.

The product of its digits is 5184, while the sum is 34.

The square root of 9481921 is about 3079.2728037639. The cubic root of 9481921 is about 211.6567439772.

The spelling of 9481921 in words is "nine million, four hundred eighty-one thousand, nine hundred twenty-one".