4169491 has 2 divisors, whose sum is σ = 4169492. Its totient is φ = 4169490.

The previous prime is 4169453. The next prime is 4169497. The reversal of 4169491 is 1949614.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4169491 - 2¹³ = 4161299 is a prime.

4169491 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4169497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2084745 + 2084746.

It is an arithmetic number, because the mean of its divisors is an integer number (2084746).

Almost surely, 2^4169491 is an apocalyptic number.

4169491 is a deficient number, since it is larger than the sum of its proper divisors (1).

4169491 is an equidigital number, since it uses as much as digits as its factorization.

4169491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 34.

The square root of 4169491 is about 2041.9331526766. The cubic root of 4169491 is about 160.9512474070.

The spelling of 4169491 in words is "four million, one hundred sixty-nine thousand, four hundred ninety-one".