36861912 has 64 divisors (see below), whose sum is σ = 104601600. Its totient is φ = 12022560.

The previous prime is 36861907. The next prime is 36861971. The reversal of 36861912 is 21916863.

36861912 is a `hidden beast` number, since 36 + 8 + 619 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8337 + ... + 11967.

It is an arithmetic number, because the mean of its divisors is an integer number (1634400).

Almost surely, 2^36861912 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 36861912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52300800).

36861912 is an abundant number, since it is smaller than the sum of its proper divisors (67739688).

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

36861912 is a wasteful number, since it uses less digits than its factorization.

36861912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3693 (or 3683 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 36861912 is about 6071.4011562406. The cubic root of 36861912 is about 332.8071279831.

It can be divided in two parts, 36861 and 912, that added together give a palindrome (37773).

The spelling of 36861912 in words is "thirty-six million, eight hundred sixty-one thousand, nine hundred twelve".