36909664 has 96 divisors (see below), whose sum is σ = 85349376. Its totient is φ = 15544320.

The previous prime is 36909661. The next prime is 36909667. The reversal of 36909664 is 46690963.

It is an interprime number because it is at equal distance from previous prime (36909661) and next prime (36909667).

It is a self number, because there is not a number n which added to its sum of digits gives 36909664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36909661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380464 + ... + 380560.

It is an arithmetic number, because the mean of its divisors is an integer number (889056).

Almost surely, 2^36909664 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 36909664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42674688).

36909664 is an abundant number, since it is smaller than the sum of its proper divisors (48439712).

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

36909664 is a wasteful number, since it uses less digits than its factorization.

36909664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 43.

The square root of 36909664 is about 6075.3324188887. The cubic root of 36909664 is about 332.9507753383.

It can be divided in two parts, 36909 and 664, that added together give a palindrome (37573).

The spelling of 36909664 in words is "thirty-six million, nine hundred nine thousand, six hundred sixty-four".