9021744 has 120 divisors (see below), whose sum is σ = 27236352. Its totient is φ = 2782080.

The previous prime is 9021739. The next prime is 9021769. The reversal of 9021744 is 4471209.

It is a happy number.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191929 + ... + 191975.

Almost surely, 2^9021744 is an apocalyptic number.

9021744 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9021744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13618176).

9021744 is an abundant number, since it is smaller than the sum of its proper divisors (18214608).

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

9021744 is a wasteful number, since it uses less digits than its factorization.

9021744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 9021744 is about 3003.6218137442. The cubic root of 9021744 is about 208.1757636636.

The spelling of 9021744 in words is "nine million, twenty-one thousand, seven hundred forty-four".