8404859 has 8 divisors (see below), whose sum is σ = 8901840. Its totient is φ = 7913376.

The previous prime is 8404849. The next prime is 8404871. The reversal of 8404859 is 9584048.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8404859 - 2⁸ = 8404603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8404819) 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 7 ways as a sum of consecutive naturals, for example, 2009 + ... + 4565.

It is an arithmetic number, because the mean of its divisors is an integer number (1112730).

Almost surely, 2^8404859 is an apocalyptic number.

8404859 is a deficient number, since it is larger than the sum of its proper divisors (496981).

8404859 is a wasteful number, since it uses less digits than its factorization.

8404859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 8404859 is about 2899.1134851882. The cubic root of 8404859 is about 203.3184596006.

The spelling of 8404859 in words is "eight million, four hundred four thousand, eight hundred fifty-nine".