8706642 has 16 divisors (see below), whose sum is σ = 19900992. Its totient is φ = 2487600.

The previous prime is 8706613. The next prime is 8706647. The reversal of 8706642 is 2466078.

It is a super-2 number, since 2×8706642² = 151611229832328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8706647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103609 + ... + 103692.

It is an arithmetic number, because the mean of its divisors is an integer number (1243812).

Almost surely, 2^8706642 is an apocalyptic number.

8706642 is an abundant number, since it is smaller than the sum of its proper divisors (11194350).

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

8706642 is a wasteful number, since it uses less digits than its factorization.

8706642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207313.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 8706642 is about 2950.7019503840. The cubic root of 8706642 is about 205.7233380331.

The spelling of 8706642 in words is "eight million, seven hundred six thousand, six hundred forty-two".