4400115 has 16 divisors (see below), whose sum is σ = 7411200. Its totient is φ = 2223072.

The previous prime is 4400111. The next prime is 4400129. The reversal of 4400115 is 5110044.

It is not a de Polignac number, because 4400115 - 2² = 4400111 is a prime.

It is a super-2 number, since 2×4400115² = 38722024026450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 4400094 and 4400103.

It is not an unprimeable number, because it can be changed into a prime (4400111) 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, 7435 + ... + 8004.

It is an arithmetic number, because the mean of its divisors is an integer number (463200).

Almost surely, 2^4400115 is an apocalyptic number.

4400115 is a deficient number, since it is larger than the sum of its proper divisors (3011085).

4400115 is a wasteful number, since it uses less digits than its factorization.

4400115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15466.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 4400115 is about 2097.6451082106. The cubic root of 4400115 is about 163.8656817129.

Adding to 4400115 its reverse (5110044), we get a palindrome (9510159).

The spelling of 4400115 in words is "four million, four hundred thousand, one hundred fifteen".