8557436 has 12 divisors (see below), whose sum is σ = 15492120. Its totient is φ = 4131120.

The previous prime is 8557421. The next prime is 8557447. The reversal of 8557436 is 6347558.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 8⁷ + 5⁷ + 5⁷ + 7⁸ + 4² + 3¹² + 6⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 8557436.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36770 + ... + 37001.

It is an arithmetic number, because the mean of its divisors is an integer number (1291010).

Almost surely, 2^8557436 is an apocalyptic number.

It is an amenable number.

8557436 is a deficient number, since it is larger than the sum of its proper divisors (6934684).

8557436 is a wasteful number, since it uses less digits than its factorization.

8557436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73804 (or 73802 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 8557436 is about 2925.3095562692. The cubic root of 8557436 is about 204.5413979951.

The spelling of 8557436 in words is "eight million, five hundred fifty-seven thousand, four hundred thirty-six".