36091992 has 64 divisors (see below), whose sum is σ = 93074400. Its totient is φ = 11658240.

The previous prime is 36091973. The next prime is 36091997. The reversal of 36091992 is 29919063.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 36091992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36091997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130158 + ... + 130434.

Almost surely, 2^36091992 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 36091992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46537200).

36091992 is an abundant number, since it is smaller than the sum of its proper divisors (56982408).

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

36091992 is a wasteful number, since it uses less digits than its factorization.

36091992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 36091992 is about 6007.6611089508. The cubic root of 36091992 is about 330.4737364912.

The spelling of 36091992 in words is "thirty-six million, ninety-one thousand, nine hundred ninety-two".