9021408 has 48 divisors (see below), whose sum is σ = 25837056. Its totient is φ = 2733440.

The previous prime is 9021401. The next prime is 9021427. The reversal of 9021408 is 8041209.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9021401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3216 + ... + 5327.

It is an arithmetic number, because the mean of its divisors is an integer number (538272).

Almost surely, 2^9021408 is an apocalyptic number.

It is an amenable number.

9021408 is an abundant number, since it is smaller than the sum of its proper divisors (16815648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9021408 is a wasteful number, since it uses less digits than its factorization.

9021408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8567 (or 8559 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 9021408 is about 3003.5658807491. The cubic root of 9021408 is about 208.1731792436.

The spelling of 9021408 in words is "nine million, twenty-one thousand, four hundred eight".