838698 has 32 divisors (see below), whose sum is σ = 2019840. Its totient is φ = 226800.

The previous prime is 838693. The next prime is 838711. The reversal of 838698 is 896838.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 838698.

It is not an unprimeable number, because it can be changed into a prime (838693) by changing a digit.

838698 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273 + ... + 1323.

It is an arithmetic number, because the mean of its divisors is an integer number (63120).

2⁸³⁸⁶⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 838698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1009920).

838698 is an abundant number, since it is smaller than the sum of its proper divisors (1181142).

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

838698 is a wasteful number, since it uses less digits than its factorization.

838698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082.

The product of its digits is 82944, while the sum is 42.

The square root of 838698 is about 915.8045643040. The cubic root of 838698 is about 94.3051048929.

The spelling of 838698 in words is "eight hundred thirty-eight thousand, six hundred ninety-eight".