4491007 has 2 divisors, whose sum is σ = 4491008. Its totient is φ = 4491006.

The previous prime is 4490999. The next prime is 4491013. The reversal of 4491007 is 7001944.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4491007 - 2³ = 4490999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4491037) 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, 2245503 + 2245504.

It is an arithmetic number, because the mean of its divisors is an integer number (2245504).

Almost surely, 2^4491007 is an apocalyptic number.

4491007 is a deficient number, since it is larger than the sum of its proper divisors (1).

4491007 is an equidigital number, since it uses as much as digits as its factorization.

4491007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 4491007 is about 2119.1996130615. The cubic root of 4491007 is about 164.9863104651.

The spelling of 4491007 in words is "four million, four hundred ninety-one thousand, seven".