8944720 has 40 divisors (see below), whose sum is σ = 22023144. Its totient is φ = 3366912.

The previous prime is 8944699. The next prime is 8944739. The reversal of 8944720 is 274498.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4717584 + 4227136 = 2172^2 + 2056^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1929 + ... + 4648.

Almost surely, 2^8944720 is an apocalyptic number.

8944720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8944720 is an abundant number, since it is smaller than the sum of its proper divisors (13078424).

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

8944720 is a wasteful number, since it uses less digits than its factorization.

8944720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6607 (or 6601 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 8944720 is about 2990.7724754652. The cubic root of 8944720 is about 207.5816294693.

The spelling of 8944720 in words is "eight million, nine hundred forty-four thousand, seven hundred twenty".