8404618 has 8 divisors (see below), whose sum is σ = 12644100. Its totient is φ = 4189920.

The previous prime is 8404603. The next prime is 8404619. The reversal of 8404618 is 8164048.

It can be written as a sum of positive squares in 2 ways, for example, as 8105409 + 299209 = 2847^2 + 547^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 8404618.

It is not an unprimeable number, because it can be changed into a prime (8404619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5323 + ... + 6718.

Almost surely, 2^8404618 is an apocalyptic number.

8404618 is a deficient number, since it is larger than the sum of its proper divisors (4239482).

8404618 is a wasteful number, since it uses less digits than its factorization.

8404618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12392.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 8404618 is about 2899.0719204601. The cubic root of 8404618 is about 203.3165162717.

The spelling of 8404618 in words is "eight million, four hundred four thousand, six hundred eighteen".