4401405 has 16 divisors (see below), whose sum is σ = 7824960. Its totient is φ = 2347344.

The previous prime is 4401403. The next prime is 4401413. The reversal of 4401405 is 5041044.

It is not a de Polignac number, because 4401405 - 2¹ = 4401403 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4401403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16167 + ... + 16436.

It is an arithmetic number, because the mean of its divisors is an integer number (489060).

Almost surely, 2^4401405 is an apocalyptic number.

4401405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4401405 is a deficient number, since it is larger than the sum of its proper divisors (3423555).

4401405 is a wasteful number, since it uses less digits than its factorization.

4401405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32617 (or 32611 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 4401405 is about 2097.9525733438. The cubic root of 4401405 is about 163.8816938759.

Adding to 4401405 its reverse (5041044), we get a palindrome (9442449).

The spelling of 4401405 in words is "four million, four hundred one thousand, four hundred five".