9392421 has 8 divisors (see below), whose sum is σ = 12638560. Its totient is φ = 6203952.

The previous prime is 9392417. The next prime is 9392423. The reversal of 9392421 is 1242939.

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

It is not a de Polignac number, because 9392421 - 2² = 9392417 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 (9392423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14035 + ... + 14688.

It is an arithmetic number, because the mean of its divisors is an integer number (1579820).

Almost surely, 2^9392421 is an apocalyptic number.

It is an amenable number.

9392421 is a deficient number, since it is larger than the sum of its proper divisors (3246139).

9392421 is a wasteful number, since it uses less digits than its factorization.

9392421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28835.

The product of its digits is 3888, while the sum is 30.

The square root of 9392421 is about 3064.7056954951. The cubic root of 9392421 is about 210.9886938680.

The spelling of 9392421 in words is "nine million, three hundred ninety-two thousand, four hundred twenty-one".