3920923 has 2 divisors, whose sum is σ = 3920924. Its totient is φ = 3920922.

The previous prime is 3920909. The next prime is 3920929. The reversal of 3920923 is 3290293.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3920923 - 2²¹ = 1823771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3920891 and 3920900.

It is not a weakly prime, because it can be changed into another prime (3920929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1960461 + 1960462.

It is an arithmetic number, because the mean of its divisors is an integer number (1960462).

Almost surely, 2^3920923 is an apocalyptic number.

3920923 is a deficient number, since it is larger than the sum of its proper divisors (1).

3920923 is an equidigital number, since it uses as much as digits as its factorization.

3920923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 3920923 is about 1980.1320663026. The cubic root of 3920923 is about 157.6870776099.

The spelling of 3920923 in words is "three million, nine hundred twenty thousand, nine hundred twenty-three".