4468649 has 2 divisors, whose sum is σ = 4468650. Its totient is φ = 4468648.

The previous prime is 4468643. The next prime is 4468661. The reversal of 4468649 is 9468644.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2418025 + 2050624 = 1555^2 + 1432^2 .

It is a cyclic number.

It is not a de Polignac number, because 4468649 - 2⁸ = 4468393 is a prime.

It is a d-powerful number, because it can be written as 4⁴ + 4⁵ + 6⁸ + 8³ + 6⁸ + 4¹⁰ + 9⁵ .

It is not a weakly prime, because it can be changed into another prime (4468643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2234324 + 2234325.

It is an arithmetic number, because the mean of its divisors is an integer number (2234325).

Almost surely, 2^4468649 is an apocalyptic number.

It is an amenable number.

4468649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4468649 is an equidigital number, since it uses as much as digits as its factorization.

4468649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 41.

The square root of 4468649 is about 2113.9179265052. The cubic root of 4468649 is about 164.7120659368.

The spelling of 4468649 in words is "four million, four hundred sixty-eight thousand, six hundred forty-nine".