4402409 has 8 divisors (see below), whose sum is σ = 4818528. Its totient is φ = 3988960.

The previous prime is 4402399. The next prime is 4402421. The reversal of 4402409 is 9042044.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4402409 - 2⁴ = 4402393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4402429) 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 in 7 ways as a sum of consecutive naturals, for example, 4709 + ... + 5565.

It is an arithmetic number, because the mean of its divisors is an integer number (602316).

Almost surely, 2^4402409 is an apocalyptic number.

It is an amenable number.

4402409 is a deficient number, since it is larger than the sum of its proper divisors (416119).

4402409 is a wasteful number, since it uses less digits than its factorization.

4402409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 4402409 is about 2098.1918406094. The cubic root of 4402409 is about 163.8941538905.

The spelling of 4402409 in words is "four million, four hundred two thousand, four hundred nine".