9412921 has 8 divisors (see below), whose sum is σ = 10810304. Its totient is φ = 8028720.

The previous prime is 9412901. The next prime is 9412943. The reversal of 9412921 is 1292149.

It is a happy number.

9412921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 9412921 - 2⁵ = 9412889 is a prime.

It is an alternating number because its digits alternate between odd and even.

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 9412921.

It is not an unprimeable number, because it can be changed into a prime (9412901) 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, 1710 + ... + 4663.

It is an arithmetic number, because the mean of its divisors is an integer number (1351288).

Almost surely, 2^9412921 is an apocalyptic number.

It is an amenable number.

9412921 is a deficient number, since it is larger than the sum of its proper divisors (1397383).

9412921 is a wasteful number, since it uses less digits than its factorization.

9412921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6591.

The product of its digits is 1296, while the sum is 28.

The square root of 9412921 is about 3068.0484024865. The cubic root of 9412921 is about 211.1420843957.

The spelling of 9412921 in words is "nine million, four hundred twelve thousand, nine hundred twenty-one".