842906685 has 8 divisors (see below), whose sum is σ = 1348650720. Its totient is φ = 449550224.

The previous prime is 842906681. The next prime is 842906693. The reversal of 842906685 is 586609248.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 842906685 - 2² = 842906681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842906681) 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, 28096875 + ... + 28096904.

It is an arithmetic number, because the mean of its divisors is an integer number (168581340).

Almost surely, 2^842906685 is an apocalyptic number.

It is an amenable number.

842906685 is a deficient number, since it is larger than the sum of its proper divisors (505744035).

842906685 is a wasteful number, since it uses less digits than its factorization.

842906685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56193787.

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 842906685 is about 29032.8552677824. The cubic root of 842906685 is about 944.6258646050.

The spelling of 842906685 in words is "eight hundred forty-two million, nine hundred six thousand, six hundred eighty-five".