8706138 has 32 divisors (see below), whose sum is σ = 20114304. Its totient is φ = 2460672.

The previous prime is 8706107. The next prime is 8706149. The reversal of 8706138 is 8316078.

It is a junction number, because it is equal to n+sod(n) for n = 8706099 and 8706108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3006 + ... + 5142.

It is an arithmetic number, because the mean of its divisors is an integer number (628572).

Almost surely, 2^8706138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8706138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10057152).

8706138 is an abundant number, since it is smaller than the sum of its proper divisors (11408166).

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

8706138 is a wasteful number, since it uses less digits than its factorization.

8706138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 8706138 is about 2950.6165457409. The cubic root of 8706138 is about 205.7193683984.

The spelling of 8706138 in words is "eight million, seven hundred six thousand, one hundred thirty-eight".