8494557 has 8 divisors (see below), whose sum is σ = 11357184. Its totient is φ = 5647488.

The previous prime is 8494553. The next prime is 8494559. The reversal of 8494557 is 7554948.

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

It is not a de Polignac number, because 8494557 - 2² = 8494553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8494553) 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, 2548 + ... + 4845.

It is an arithmetic number, because the mean of its divisors is an integer number (1419648).

Almost surely, 2^8494557 is an apocalyptic number.

It is an amenable number.

8494557 is a deficient number, since it is larger than the sum of its proper divisors (2862627).

8494557 is a wasteful number, since it uses less digits than its factorization.

8494557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7779.

The product of its digits is 201600, while the sum is 42.

The square root of 8494557 is about 2914.5423311388. The cubic root of 8494557 is about 204.0391841301.

The spelling of 8494557 in words is "eight million, four hundred ninety-four thousand, five hundred fifty-seven".