8106404 has 12 divisors (see below), whose sum is σ = 14569884. Its totient is φ = 3943584.

The previous prime is 8106401. The next prime is 8106421. The reversal of 8106404 is 4046018.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7573504 + 532900 = 2752^2 + 730^2 .

It is a super-2 number, since 2×8106404² = 131427571622432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8106404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8106401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27239 + ... + 27534.

It is an arithmetic number, because the mean of its divisors is an integer number (1214157).

Almost surely, 2^8106404 is an apocalyptic number.

It is an amenable number.

8106404 is a deficient number, since it is larger than the sum of its proper divisors (6463480).

8106404 is a wasteful number, since it uses less digits than its factorization.

8106404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54814 (or 54812 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 8106404 is about 2847.1747399835. The cubic root of 8106404 is about 200.8827976086.

The spelling of 8106404 in words is "eight million, one hundred six thousand, four hundred four".