9740421 has 12 divisors (see below), whose sum is σ = 14369472. Its totient is φ = 6355176.

The previous prime is 9740413. The next prime is 9740441. The reversal of 9740421 is 1240479.

It is a happy number.

It is not a de Polignac number, because 9740421 - 2³ = 9740413 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9740441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11091 + ... + 11936.

It is an arithmetic number, because the mean of its divisors is an integer number (1197456).

Almost surely, 2^9740421 is an apocalyptic number.

It is an amenable number.

9740421 is a deficient number, since it is larger than the sum of its proper divisors (4629051).

9740421 is a wasteful number, since it uses less digits than its factorization.

9740421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23080 (or 23077 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 9740421 is about 3120.9647546872. The cubic root of 9740421 is about 213.5629491137.

The spelling of 9740421 in words is "nine million, seven hundred forty thousand, four hundred twenty-one".