9479421 has 48 divisors (see below), whose sum is σ = 16982784. Its totient is φ = 4972032.

The previous prime is 9479419. The next prime is 9479453. The reversal of 9479421 is 1249749.

9479421 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9479421 - 2¹ = 9479419 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9479411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56680 + ... + 56846.

It is an arithmetic number, because the mean of its divisors is an integer number (353808).

Almost surely, 2^9479421 is an apocalyptic number.

It is an amenable number.

9479421 is a deficient number, since it is larger than the sum of its proper divisors (7503363).

9479421 is a wasteful number, since it uses less digits than its factorization.

9479421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 247 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 9479421 is about 3078.8668370035. The cubic root of 9479421 is about 211.6381405609.

The spelling of 9479421 in words is "nine million, four hundred seventy-nine thousand, four hundred twenty-one".