4401409 has 8 divisors (see below), whose sum is σ = 4618368. Its totient is φ = 4189680.

The previous prime is 4401403. The next prime is 4401413. The reversal of 4401409 is 9041044.

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 4401409 - 2⁷ = 4401281 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4401409.

It is not an unprimeable number, because it can be changed into a prime (4401403) 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 7 ways as a sum of consecutive naturals, for example, 474 + ... + 3004.

It is an arithmetic number, because the mean of its divisors is an integer number (577296).

Almost surely, 2^4401409 is an apocalyptic number.

It is an amenable number.

4401409 is a deficient number, since it is larger than the sum of its proper divisors (216959).

4401409 is a wasteful number, since it uses less digits than its factorization.

4401409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 4401409 is about 2097.9535266540. The cubic root of 4401409 is about 163.8817435211.

It can be divided in two parts, 440 and 1409, that added together give a square (1849 = 43²).

The spelling of 4401409 in words is "four million, four hundred one thousand, four hundred nine".