4408121 has 4 divisors (see below), whose sum is σ = 4464000. Its totient is φ = 4352244.

The previous prime is 4408109. The next prime is 4408123. The reversal of 4408121 is 1218044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4408121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4408093 and 4408102.

It is not an unprimeable number, because it can be changed into a prime (4408123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27821 + ... + 27978.

It is an arithmetic number, because the mean of its divisors is an integer number (1116000).

Almost surely, 2^4408121 is an apocalyptic number.

It is an amenable number.

4408121 is a deficient number, since it is larger than the sum of its proper divisors (55879).

4408121 is an equidigital number, since it uses as much as digits as its factorization.

4408121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55878.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 4408121 is about 2099.5525713828. The cubic root of 4408121 is about 163.9650059184.

The spelling of 4408121 in words is "four million, four hundred eight thousand, one hundred twenty-one".