8557038 has 48 divisors (see below), whose sum is σ = 21411936. Its totient is φ = 2419200.

The previous prime is 8557033. The next prime is 8557057. The reversal of 8557038 is 8307558.

It is a happy number.

8557038 is a `hidden beast` number, since 85 + 570 + 3 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 8556993 and 8557011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8557033) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 13938 + ... + 14538.

It is an arithmetic number, because the mean of its divisors is an integer number (446082).

Almost surely, 2^8557038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8557038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10705968).

8557038 is an abundant number, since it is smaller than the sum of its proper divisors (12854898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8557038 is a wasteful number, since it uses less digits than its factorization.

8557038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 8557038 is about 2925.2415284896. The cubic root of 8557038 is about 204.5382269231.

The spelling of 8557038 in words is "eight million, five hundred fifty-seven thousand, thirty-eight".