9174421 has 8 divisors (see below), whose sum is σ = 9393560. Its totient is φ = 8957952.

The previous prime is 9174413. The next prime is 9174433. The reversal of 9174421 is 1244719.

It can be written as a sum of positive squares in 4 ways, for example, as 3651921 + 5522500 = 1911^2 + 2350^2 .

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

It is a 6-Lehmer number, since φ(9174421) divides (9174421-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 9174421 - 2³ = 9174413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9174421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9174521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7381 + ... + 8533.

It is an arithmetic number, because the mean of its divisors is an integer number (1174195).

Almost surely, 2^9174421 is an apocalyptic number.

It is an amenable number.

9174421 is a deficient number, since it is larger than the sum of its proper divisors (219139).

9174421 is a wasteful number, since it uses less digits than its factorization.

9174421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335.

The product of its digits is 2016, while the sum is 28.

The square root of 9174421 is about 3028.9306693947. The cubic root of 9174421 is about 209.3435358080.

The spelling of 9174421 in words is "nine million, one hundred seventy-four thousand, four hundred twenty-one".