838685 has 8 divisors (see below), whose sum is σ = 1023840. Its totient is φ = 659344.

The previous prime is 838667. The next prime is 838687. The reversal of 838685 is 586838.

It is a happy number.

838685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 838685 - 2⁸ = 838429 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 838685.

It is not an unprimeable number, because it can be changed into a prime (838687) 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, 1127 + ... + 1716.

It is an arithmetic number, because the mean of its divisors is an integer number (127980).

2⁸³⁸⁶⁸⁵ is an apocalyptic number.

It is an amenable number.

838685 is a deficient number, since it is larger than the sum of its proper divisors (185155).

838685 is a wasteful number, since it uses less digits than its factorization.

838685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2907.

The product of its digits is 46080, while the sum is 38.

The square root of 838685 is about 915.7974666923. The cubic root of 838685 is about 94.3046176406.

The spelling of 838685 in words is "eight hundred thirty-eight thousand, six hundred eighty-five".