842006686 has 8 divisors (see below), whose sum is σ = 1303752384. Its totient is φ = 407422560.

The previous prime is 842006681. The next prime is 842006723. The reversal of 842006686 is 686600248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842006681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6790315 + ... + 6790438.

It is an arithmetic number, because the mean of its divisors is an integer number (162969048).

Almost surely, 2^842006686 is an apocalyptic number.

842006686 is a deficient number, since it is larger than the sum of its proper divisors (461745698).

842006686 is a wasteful number, since it uses less digits than its factorization.

842006686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13580786.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 842006686 is about 29017.3514642532. The cubic root of 842006686 is about 944.2895422456.

The spelling of 842006686 in words is "eight hundred forty-two million, six thousand, six hundred eighty-six".