9738421 has 8 divisors (see below), whose sum is σ = 12141504. Its totient is φ = 7588320.

The previous prime is 9738413. The next prime is 9738427. The reversal of 9738421 is 1248379.

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

It is a cyclic number.

It is not a de Polignac number, because 9738421 - 2³ = 9738413 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9738427) 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, 63160 + ... + 63313.

It is an arithmetic number, because the mean of its divisors is an integer number (1517688).

Almost surely, 2^9738421 is an apocalyptic number.

It is an amenable number.

9738421 is a deficient number, since it is larger than the sum of its proper divisors (2403083).

9738421 is a wasteful number, since it uses less digits than its factorization.

9738421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126491.

The product of its digits is 12096, while the sum is 34.

The square root of 9738421 is about 3120.6443244945. The cubic root of 9738421 is about 213.5483311577.

The spelling of 9738421 in words is "nine million, seven hundred thirty-eight thousand, four hundred twenty-one".