8944240 has 40 divisors (see below), whose sum is σ = 21703968. Its totient is φ = 3421440.

The previous prime is 8944207. The next prime is 8944249. The reversal of 8944240 is 424498.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8944249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591 + ... + 4270.

Almost surely, 2^8944240 is an apocalyptic number.

8944240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8944240 is an abundant number, since it is smaller than the sum of its proper divisors (12759728).

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

8944240 is a wasteful number, since it uses less digits than its factorization.

8944240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4897 (or 4891 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 8944240 is about 2990.6922275620. The cubic root of 8944240 is about 207.5779162558.

The spelling of 8944240 in words is "eight million, nine hundred forty-four thousand, two hundred forty".