536817636 has 72 divisors (see below), whose sum is σ = 1461227040. Its totient is φ = 165547776.

The previous prime is 536817569. The next prime is 536817703. The reversal of 536817636 is 636718635.

536817636 is a `hidden beast` number, since 5 + 3 + 6 + 8 + 1 + 7 + 636 = 666.

It is an interprime number because it is at equal distance from previous prime (536817569) and next prime (536817703).

It is a junction number, because it is equal to n+sod(n) for n = 536817591 and 536817600.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28675 + ... + 43541.

It is an arithmetic number, because the mean of its divisors is an integer number (20294820).

Almost surely, 2^536817636 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 536817636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (730613520).

536817636 is an abundant number, since it is smaller than the sum of its proper divisors (924409404).

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

536817636 is a wasteful number, since it uses less digits than its factorization.

536817636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14953 (or 14948 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 536817636 is about 23169.3253246615. The cubic root of 536817636 is about 812.7224535191.

Subtracting 536817636 from its reverse (636718635), we obtain a palindrome (99900999).

The spelling of 536817636 in words is "five hundred thirty-six million, eight hundred seventeen thousand, six hundred thirty-six".