4024091 has 2 divisors, whose sum is σ = 4024092. Its totient is φ = 4024090.

The previous prime is 4024073. The next prime is 4024123. The reversal of 4024091 is 1904204.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4024091 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4024001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2012045 + 2012046.

It is an arithmetic number, because the mean of its divisors is an integer number (2012046).

Almost surely, 2^4024091 is an apocalyptic number.

4024091 is a deficient number, since it is larger than the sum of its proper divisors (1).

4024091 is an equidigital number, since it uses as much as digits as its factorization.

4024091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 4024091 is about 2006.0137088265. The cubic root of 4024091 is about 159.0581515338.

Adding to 4024091 its reverse (1904204), we get a palindrome (5928295).

The spelling of 4024091 in words is "four million, twenty-four thousand, ninety-one".