4400113 has 8 divisors (see below), whose sum is σ = 4559976. Its totient is φ = 4243200.

The previous prime is 4400111. The next prime is 4400129. The reversal of 4400113 is 3110044.

It can be written as a sum of positive squares in 4 ways, for example, as 2704 + 4397409 = 52^2 + 2097^2 .

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 4400113 - 2¹ = 4400111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4400093 and 4400102.

It is not an unprimeable number, because it can be changed into a prime (4400111) 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, 2553 + ... + 3913.

It is an arithmetic number, because the mean of its divisors is an integer number (569997).

Almost surely, 2^4400113 is an apocalyptic number.

It is an amenable number.

4400113 is a deficient number, since it is larger than the sum of its proper divisors (159863).

4400113 is a wasteful number, since it uses less digits than its factorization.

4400113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 4400113 is about 2097.6446314855. The cubic root of 4400113 is about 163.8656568854.

Adding to 4400113 its reverse (3110044), we get a palindrome (7510157).

The spelling of 4400113 in words is "four million, four hundred thousand, one hundred thirteen".