36693636 has 96 divisors (see below), whose sum is σ = 104616960. Its totient is φ = 9777024.

The previous prime is 36693619. The next prime is 36693641. The reversal of 36693636 is 63639663.

36693636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×36693636³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132330 + ... + 132606.

It is an arithmetic number, because the mean of its divisors is an integer number (1089760).

Almost surely, 2^36693636 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 36693636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52308480).

36693636 is an abundant number, since it is smaller than the sum of its proper divisors (67923324).

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

36693636 is a wasteful number, since it uses less digits than its factorization.

36693636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 391 counting only the distinct ones).

The product of its digits is 314928, while the sum is 42.

The square root of 36693636 is about 6057.5272182632. The cubic root of 36693636 is about 332.2999297642.

The spelling of 36693636 in words is "thirty-six million, six hundred ninety-three thousand, six hundred thirty-six".