213341634 has 96 divisors (see below), whose sum is σ = 527829120. Its totient is φ = 63819360.

The previous prime is 213341617. The next prime is 213341641. The reversal of 213341634 is 436143312.

213341634 is a `hidden beast` number, since 21 + 3 + 3 + 4 + 1 + 634 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 213341598 and 213341607.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 672844 + ... + 673160.

It is an arithmetic number, because the mean of its divisors is an integer number (5498220).

Almost surely, 2^213341634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213341634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263914560).

213341634 is an abundant number, since it is smaller than the sum of its proper divisors (314487486).

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

213341634 is a wasteful number, since it uses less digits than its factorization.

213341634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453 (or 436 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 213341634 is about 14606.2190179389. The cubic root of 213341634 is about 597.5283824919.

Adding to 213341634 its reverse (436143312), we get a palindrome (649484946).

The spelling of 213341634 in words is "two hundred thirteen million, three hundred forty-one thousand, six hundred thirty-four".