838668 has 24 divisors (see below), whose sum is σ = 1999872. Its totient is φ = 273424.

The previous prime is 838667. The next prime is 838687. The reversal of 838668 is 866838.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (838667) 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, 180 + ... + 1307.

It is an arithmetic number, because the mean of its divisors is an integer number (83328).

2⁸³⁸⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

838668 is an abundant number, since it is smaller than the sum of its proper divisors (1161204).

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

838668 is a wasteful number, since it uses less digits than its factorization.

838668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541 (or 1539 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 838668 is about 915.7881851171. The cubic root of 838668 is about 94.3039804568.

The spelling of 838668 in words is "eight hundred thirty-eight thousand, six hundred sixty-eight".