9609421 has 4 divisors (see below), whose sum is σ = 10115200. Its totient is φ = 9103644.

The previous prime is 9609409. The next prime is 9609427. The reversal of 9609421 is 1249069.

It is a happy number.

9609421 is digitally balanced in base 3, 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 Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9609421 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 (9609427) 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, 252861 + ... + 252898.

It is an arithmetic number, because the mean of its divisors is an integer number (2528800).

Almost surely, 2^9609421 is an apocalyptic number.

It is an amenable number.

9609421 is a deficient number, since it is larger than the sum of its proper divisors (505779).

9609421 is a wasteful number, since it uses less digits than its factorization.

9609421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505778.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 9609421 is about 3099.9066114965. The cubic root of 9609421 is about 212.6012140677.

The spelling of 9609421 in words is "nine million, six hundred nine thousand, four hundred twenty-one".