8847920 has 40 divisors (see below), whose sum is σ = 21657840. Its totient is φ = 3352320.

The previous prime is 8847919. The next prime is 8847941. The reversal of 8847920 is 297488.

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 (38).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1391 + ... + 4430.

It is an arithmetic number, because the mean of its divisors is an integer number (541446).

Almost surely, 2^8847920 is an apocalyptic number.

8847920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8847920 is an abundant number, since it is smaller than the sum of its proper divisors (12809920).

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

8847920 is a wasteful number, since it uses less digits than its factorization.

8847920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5853 (or 5847 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 8847920 is about 2974.5453434096. The cubic root of 8847920 is about 206.8300938787.

The spelling of 8847920 in words is "eight million, eight hundred forty-seven thousand, nine hundred twenty".