36001944 has 96 divisors (see below), whose sum is σ = 107490240. Its totient is φ = 10795200.

The previous prime is 36001939. The next prime is 36001949. The reversal of 36001944 is 44910063.

36001944 is a `hidden beast` number, since 3 + 600 + 19 + 44 = 666.

It is an interprime number because it is at equal distance from previous prime (36001939) and next prime (36001949).

It is a super-2 number, since 2×36001944² = 2592279943558272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36001949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103579 + ... + 103925.

It is an arithmetic number, because the mean of its divisors is an integer number (1119690).

Almost surely, 2^36001944 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 36001944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53745120).

36001944 is an abundant number, since it is smaller than the sum of its proper divisors (71488296).

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

36001944 is a wasteful number, since it uses less digits than its factorization.

36001944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 36001944 is about 6000.1619978131. The cubic root of 36001944 is about 330.1986682515.

It can be divided in two parts, 360019 and 44, that added together give a palindrome (360063).

The spelling of 36001944 in words is "thirty-six million, one thousand, nine hundred forty-four".