8609404 has 12 divisors (see below), whose sum is σ = 15586200. Its totient is φ = 4156208.

The previous prime is 8609371. The next prime is 8609411. The reversal of 8609404 is 4049068.

It is a congruent number.

It is an unprimeable number.

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, 36994 + ... + 37225.

It is an arithmetic number, because the mean of its divisors is an integer number (1298850).

Almost surely, 2^8609404 is an apocalyptic number.

It is an amenable number.

8609404 is a deficient number, since it is larger than the sum of its proper divisors (6976796).

8609404 is a wasteful number, since it uses less digits than its factorization.

8609404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74252 (or 74250 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 8609404 is about 2934.1785903384. The cubic root of 8609404 is about 204.9546122004.

The spelling of 8609404 in words is "eight million, six hundred nine thousand, four hundred four".