9591421 has 8 divisors (see below), whose sum is σ = 11048960. Its totient is φ = 8155728.

The previous prime is 9591419. The next prime is 9591433. The reversal of 9591421 is 1241959.

9591421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9591421 - 2¹ = 9591419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9591401) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 4506 + ... + 6283.

It is an arithmetic number, because the mean of its divisors is an integer number (1381120).

Almost surely, 2^9591421 is an apocalyptic number.

It is an amenable number.

9591421 is a deficient number, since it is larger than the sum of its proper divisors (1457539).

9591421 is a wasteful number, since it uses less digits than its factorization.

9591421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10923.

The product of its digits is 3240, while the sum is 31.

The square root of 9591421 is about 3097.0019373581. The cubic root of 9591421 is about 212.4683856083.

The spelling of 9591421 in words is "nine million, five hundred ninety-one thousand, four hundred twenty-one".