36855972 has 60 divisors (see below), whose sum is σ = 101436720. Its totient is φ = 11636784.

The previous prime is 36855971. The next prime is 36855977. The reversal of 36855972 is 27955863.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (36855971) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3163 + ... + 9149.

It is an arithmetic number, because the mean of its divisors is an integer number (1690612).

Almost surely, 2^36855972 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 36855972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50718360).

36855972 is an abundant number, since it is smaller than the sum of its proper divisors (64580748).

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

36855972 is a wasteful number, since it uses less digits than its factorization.

36855972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6022 (or 6011 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 36855972 is about 6070.9119578528. The cubic root of 36855972 is about 332.7892506274.

The spelling of 36855972 in words is "thirty-six million, eight hundred fifty-five thousand, nine hundred seventy-two".