9416421 has 24 divisors (see below), whose sum is σ = 15672384. Its totient is φ = 5336640.

The previous prime is 9416417. The next prime is 9416423. The reversal of 9416421 is 1246149.

9416421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9416421 - 2² = 9416417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9416423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8086 + ... + 9176.

It is an arithmetic number, because the mean of its divisors is an integer number (653016).

Almost surely, 2^9416421 is an apocalyptic number.

It is an amenable number.

9416421 is a deficient number, since it is larger than the sum of its proper divisors (6255963).

9416421 is a wasteful number, since it uses less digits than its factorization.

9416421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241 (or 1238 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 9416421 is about 3068.6187446472. The cubic root of 9416421 is about 211.1682507586.

Adding to 9416421 its product of digits (1728), we get a palindrome (9418149).

The spelling of 9416421 in words is "nine million, four hundred sixteen thousand, four hundred twenty-one".