36609636 has 96 divisors (see below), whose sum is σ = 106831872. Its totient is φ = 9515520.

The previous prime is 36609631. The next prime is 36609649. The reversal of 36609636 is 63690663.

36609636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 36609594 and 36609603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36609631) by changing a digit.

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, 43855 + ... + 44681.

It is an arithmetic number, because the mean of its divisors is an integer number (1112832).

Almost surely, 2^36609636 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 36609636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53415936).

36609636 is an abundant number, since it is smaller than the sum of its proper divisors (70222236).

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

36609636 is a wasteful number, since it uses less digits than its factorization.

36609636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889 (or 887 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 39.

The square root of 36609636 is about 6050.5897233245. The cubic root of 36609636 is about 332.0461662224.

The spelling of 36609636 in words is "thirty-six million, six hundred nine thousand, six hundred thirty-six".