838704 has 40 divisors (see below), whose sum is σ = 2200752. Its totient is φ = 275200.

The previous prime is 838693. The next prime is 838711. The reversal of 838704 is 407838.

It is a plaindrome in base 13.

It is a nialpdrome in base 16.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4762 + ... + 4934.

2⁸³⁸⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 838704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1100376).

838704 is an abundant number, since it is smaller than the sum of its proper divisors (1362048).

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

838704 is a wasteful number, since it uses less digits than its factorization.

838704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 838704 is about 915.8078401062. The cubic root of 838704 is about 94.3053297769.

The spelling of 838704 in words is "eight hundred thirty-eight thousand, seven hundred four".