9421408 has 24 divisors (see below), whose sum is σ = 18644472. Its totient is φ = 4686336.

The previous prime is 9421403. The next prime is 9421411. The reversal of 9421408 is 8041249.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9421403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6616 + ... + 7912.

It is an arithmetic number, because the mean of its divisors is an integer number (776853).

Almost surely, 2^9421408 is an apocalyptic number.

It is an amenable number.

9421408 is a deficient number, since it is larger than the sum of its proper divisors (9223064).

9421408 is a wasteful number, since it uses less digits than its factorization.

9421408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534 (or 1526 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 9421408 is about 3069.4312176688. The cubic root of 9421408 is about 211.2055228889.

The spelling of 9421408 in words is "nine million, four hundred twenty-one thousand, four hundred eight".