836730 has 40 divisors (see below), whose sum is σ = 2252052. Its totient is φ = 222912.

The previous prime is 836729. The next prime is 836747. The reversal of 836730 is 37638.

It is a happy number.

836730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 793881 + 42849 = 891^2 + 207^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 836694 and 836703.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 294 + ... + 1326.

2⁸³⁶⁷³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 836730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1126026).

836730 is an abundant number, since it is smaller than the sum of its proper divisors (1415322).

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

836730 is a wasteful number, since it uses less digits than its factorization.

836730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 836730 is about 914.7294682036. The cubic root of 836730 is about 94.2312849959.

The spelling of 836730 in words is "eight hundred thirty-six thousand, seven hundred thirty".