8920443 has 32 divisors (see below), whose sum is σ = 14540800. Its totient is φ = 4751136.

The previous prime is 8920433. The next prime is 8920463. The reversal of 8920443 is 3440298.

It is a happy number.

8920443 is digitally balanced in base 2, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8920443 - 2⁹ = 8919931 is a prime.

It is a Duffinian number.

8920443 is strictly pandigital in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 8920443.

It is not an unprimeable number, because it can be changed into a prime (8920403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31380 + ... + 31662.

It is an arithmetic number, because the mean of its divisors is an integer number (454400).

Almost surely, 2^8920443 is an apocalyptic number.

8920443 is a deficient number, since it is larger than the sum of its proper divisors (5620357).

8920443 is a wasteful number, since it uses less digits than its factorization.

8920443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 8920443 is about 2986.7110673783. The cubic root of 8920443 is about 207.3936591609.

The spelling of 8920443 in words is "eight million, nine hundred twenty thousand, four hundred forty-three".