4240449 has 6 divisors (see below), whose sum is σ = 6125106. Its totient is φ = 2826960.

The previous prime is 4240447. The next prime is 4240451. The reversal of 4240449 is 9440424.

It is an interprime number because it is at equal distance from previous prime (4240447) and next prime (4240451).

It can be written as a sum of positive squares in only one way, i.e., 4223025 + 17424 = 2055^2 + 132^2 .

It is not a de Polignac number, because 4240449 - 2¹ = 4240447 is a prime.

4240449 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4240447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235572 + ... + 235589.

It is an arithmetic number, because the mean of its divisors is an integer number (1020851).

Almost surely, 2^4240449 is an apocalyptic number.

It is an amenable number.

4240449 is a deficient number, since it is larger than the sum of its proper divisors (1884657).

4240449 is a wasteful number, since it uses less digits than its factorization.

4240449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471167 (or 471164 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 4240449 is about 2059.2350521492. The cubic root of 4240449 is about 161.8591597128.

The spelling of 4240449 in words is "four million, two hundred forty thousand, four hundred forty-nine".