210836196 has 60 divisors (see below), whose sum is σ = 552667500. Its totient is φ = 70087680.

The previous prime is 210836183. The next prime is 210836201. The reversal of 210836196 is 691638012.

It can be written as a sum of positive squares in 2 ways, for example, as 73102500 + 137733696 = 8550^2 + 11736^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 210836196.

It is a congruent number.

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, 168180 + ... + 169428.

It is an arithmetic number, because the mean of its divisors is an integer number (9211125).

Almost surely, 2^210836196 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 210836196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276333750).

210836196 is an abundant number, since it is smaller than the sum of its proper divisors (341831304).

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

210836196 is a wasteful number, since it uses less digits than its factorization.

210836196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786 (or 1775 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 210836196 is about 14520.1995854052. The cubic root of 210836196 is about 595.1800843687.

The spelling of 210836196 in words is "two hundred ten million, eight hundred thirty-six thousand, one hundred ninety-six".