4021933 has 2 divisors, whose sum is σ = 4021934. Its totient is φ = 4021932.

The previous prime is 4021907. The next prime is 4021949. The reversal of 4021933 is 3391204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3992004 + 29929 = 1998^2 + 173^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021933 - 2²¹ = 1924781 is a prime.

It is an Ulam number.

4021933 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010966 + 2010967.

It is an arithmetic number, because the mean of its divisors is an integer number (2010967).

Almost surely, 2^4021933 is an apocalyptic number.

It is an amenable number.

4021933 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021933 is an equidigital number, since it uses as much as digits as its factorization.

4021933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 4021933 is about 2005.4757540295. The cubic root of 4021933 is about 159.0297137353.

The spelling of 4021933 in words is "four million, twenty-one thousand, nine hundred thirty-three".