8786538 has 48 divisors (see below), whose sum is σ = 19918080. Its totient is φ = 2796768.

The previous prime is 8786537. The next prime is 8786543. The reversal of 8786538 is 8356878.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (322560) is a multiple of the sum of its prime divisors (288).

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 8786493 and 8786502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8786537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52531 + ... + 52697.

It is an arithmetic number, because the mean of its divisors is an integer number (414960).

Almost surely, 2^8786538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8786538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9959040).

8786538 is an abundant number, since it is smaller than the sum of its proper divisors (11131542).

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

8786538 is a wasteful number, since it uses less digits than its factorization.

8786538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 288 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 8786538 is about 2964.2095067657. The cubic root of 8786538 is about 206.3506924312.

The spelling of 8786538 in words is "eight million, seven hundred eighty-six thousand, five hundred thirty-eight".