4490081 has 2 divisors, whose sum is σ = 4490082. Its totient is φ = 4490080.

The previous prime is 4490063. The next prime is 4490113. The reversal of 4490081 is 1800944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3671056 + 819025 = 1916^2 + 905^2 .

It is a cyclic number.

It is not a de Polignac number, because 4490081 - 2¹⁰ = 4489057 is a prime.

It is a super-2 number, since 2×4490081² = 40321654773122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4490081.

It is not a weakly prime, because it can be changed into another prime (4490581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2245040 + 2245041.

It is an arithmetic number, because the mean of its divisors is an integer number (2245041).

Almost surely, 2^4490081 is an apocalyptic number.

It is an amenable number.

4490081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4490081 is an equidigital number, since it uses as much as digits as its factorization.

4490081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 4490081 is about 2118.9811230872. The cubic root of 4490081 is about 164.9749701855.

The spelling of 4490081 in words is "four million, four hundred ninety thousand, eighty-one".