34218436 has 36 divisors (see below), whose sum is σ = 70243264. Its totient is φ = 14287680.

The previous prime is 34218421. The next prime is 34218461. The reversal of 34218436 is 63481243.

It is a junction number, because it is equal to n+sod(n) for n = 34218398 and 34218407.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46705 + ... + 47431.

Almost surely, 2^34218436 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 34218436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35121632).

34218436 is an abundant number, since it is smaller than the sum of its proper divisors (36024828).

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

34218436 is a wasteful number, since it uses less digits than its factorization.

34218436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 777 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 34218436 is about 5849.6526392599. The cubic root of 34218436 is about 324.6534720696.

Adding to 34218436 its reverse (63481243), we get a palindrome (97699679).

The spelling of 34218436 in words is "thirty-four million, two hundred eighteen thousand, four hundred thirty-six".