4402549 has 2 divisors, whose sum is σ = 4402550. Its totient is φ = 4402548.

The previous prime is 4402543. The next prime is 4402561. The reversal of 4402549 is 9452044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4284900 + 117649 = 2070^2 + 343^2 .

It is a cyclic number.

It is not a de Polignac number, because 4402549 - 2⁷ = 4402421 is a prime.

4402549 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4402543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2201274 + 2201275.

It is an arithmetic number, because the mean of its divisors is an integer number (2201275).

Almost surely, 2^4402549 is an apocalyptic number.

It is an amenable number.

4402549 is a deficient number, since it is larger than the sum of its proper divisors (1).

4402549 is an equidigital number, since it uses as much as digits as its factorization.

4402549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 4402549 is about 2098.2252024032. The cubic root of 4402549 is about 163.8958911922.

The spelling of 4402549 in words is "four million, four hundred two thousand, five hundred forty-nine".