836380 has 48 divisors (see below), whose sum is σ = 1935360. Its totient is φ = 302400.

The previous prime is 836377. The next prime is 836387. The reversal of 836380 is 83638.

It is a plaindrome in base 13.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (836387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11745 + ... + 11815.

It is an arithmetic number, because the mean of its divisors is an integer number (40320).

2⁸³⁶³⁸⁰ 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 836380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967680).

836380 is an abundant number, since it is smaller than the sum of its proper divisors (1098980).

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

836380 is a wasteful number, since it uses less digits than its factorization.

836380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 836380 is about 914.5381347981. The cubic root of 836380 is about 94.2181443375.

The spelling of 836380 in words is "eight hundred thirty-six thousand, three hundred eighty".