404115 has 16 divisors (see below), whose sum is σ = 669600. Its totient is φ = 207872.

The previous prime is 404113. The next prime is 404119. The reversal of 404115 is 511404.

It is not a de Polignac number, because 404115 - 2¹ = 404113 is a prime.

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

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 404094 and 404103.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 404115.

It is not an unprimeable number, because it can be changed into a prime (404113) 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, 30 + ... + 899.

It is an arithmetic number, because the mean of its divisors is an integer number (41850).

2⁴⁰⁴¹¹⁵ is an apocalyptic number.

404115 is a deficient number, since it is larger than the sum of its proper divisors (265485).

404115 is a wasteful number, since it uses less digits than its factorization.

404115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966.

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

The square root of 404115 is about 635.7004011325. The cubic root of 404115 is about 73.9324316271.

Adding to 404115 its reverse (511404), we get a palindrome (915519).

The spelling of 404115 in words is "four hundred four thousand, one hundred fifteen".