3920443 has 4 divisors (see below), whose sum is σ = 3926160. Its totient is φ = 3914728.

The previous prime is 3920431. The next prime is 3920453. The reversal of 3920443 is 3440293.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3920443 - 2¹⁷ = 3789371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3920453) 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, 1663 + ... + 3256.

It is an arithmetic number, because the mean of its divisors is an integer number (981540).

Almost surely, 2^3920443 is an apocalyptic number.

3920443 is a deficient number, since it is larger than the sum of its proper divisors (5717).

3920443 is an equidigital number, since it uses as much as digits as its factorization.

3920443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5716.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 3920443 is about 1980.0108585561. The cubic root of 3920443 is about 157.6806426552.

The spelling of 3920443 in words is "three million, nine hundred twenty thousand, four hundred forty-three".