404104134 has 32 divisors (see below), whose sum is σ = 933198336. Its totient is φ = 114266880.

The previous prime is 404104111. The next prime is 404104139. The reversal of 404104134 is 431401404.

It is a super-2 number, since 2×404104134² = 326600302231779912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 404104134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404104139) 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, 45522 + ... + 53669.

It is an arithmetic number, because the mean of its divisors is an integer number (29162448).

Almost surely, 2^404104134 is an apocalyptic number.

404104134 is an abundant number, since it is smaller than the sum of its proper divisors (529094202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404104134 is a wasteful number, since it uses less digits than its factorization.

404104134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99300.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 404104134 is about 20102.3415054068. The cubic root of 404104134 is about 739.3176897996.

Adding to 404104134 its reverse (431401404), we get a palindrome (835505538).

It can be divided in two parts, 40410 and 4134, that added together give a palindrome (44544).

The spelling of 404104134 in words is "four hundred four million, one hundred four thousand, one hundred thirty-four".