4480649 has 2 divisors, whose sum is σ = 4480650. Its totient is φ = 4480648.

The previous prime is 4480631. The next prime is 4480661. The reversal of 4480649 is 9460844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2325625 + 2155024 = 1525^2 + 1468^2 .

It is a cyclic number.

It is not a de Polignac number, because 4480649 - 2¹² = 4476553 is a prime.

It is a super-2 number, since 2×4480649² = 40152430922402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4482649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2240324 + 2240325.

It is an arithmetic number, because the mean of its divisors is an integer number (2240325).

Almost surely, 2^4480649 is an apocalyptic number.

It is an amenable number.

4480649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4480649 is an equidigital number, since it uses as much as digits as its factorization.

4480649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 4480649 is about 2116.7543551390. The cubic root of 4480649 is about 164.8593720668.

The spelling of 4480649 in words is "four million, four hundred eighty thousand, six hundred forty-nine".