8943920 has 20 divisors (see below), whose sum is σ = 20794800. Its totient is φ = 3577536.

The previous prime is 8943917. The next prime is 8943923. The reversal of 8943920 is 293498.

It is an interprime number because it is at equal distance from previous prime (8943917) and next prime (8943923).

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8943923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55820 + ... + 55979.

It is an arithmetic number, because the mean of its divisors is an integer number (1039740).

Almost surely, 2^8943920 is an apocalyptic number.

8943920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8943920 is an abundant number, since it is smaller than the sum of its proper divisors (11850880).

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

8943920 is a wasteful number, since it uses less digits than its factorization.

8943920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111812 (or 111806 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 8943920 is about 2990.6387277637. The cubic root of 8943920 is about 207.5754407063.

The spelling of 8943920 in words is "eight million, nine hundred forty-three thousand, nine hundred twenty".