3905023 has 2 divisors, whose sum is σ = 3905024. Its totient is φ = 3905022.

The previous prime is 3905003. The next prime is 3905059. The reversal of 3905023 is 3205093.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3905023 - 2¹³ = 3896831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3904985 and 3905003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3905003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1952511 + 1952512.

It is an arithmetic number, because the mean of its divisors is an integer number (1952512).

Almost surely, 2^3905023 is an apocalyptic number.

3905023 is a deficient number, since it is larger than the sum of its proper divisors (1).

3905023 is an equidigital number, since it uses as much as digits as its factorization.

3905023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 3905023 is about 1976.1131040505. The cubic root of 3905023 is about 157.4736396633.

The spelling of 3905023 in words is "three million, nine hundred five thousand, twenty-three".