36369991 has 8 divisors (see below), whose sum is σ = 41656320. Its totient is φ = 31106328.

The previous prime is 36369989. The next prime is 36369997. The reversal of 36369991 is 19996363.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36369991 - 2¹ = 36369989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36369997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2071 + ... + 8776.

It is an arithmetic number, because the mean of its divisors is an integer number (5207040).

Almost surely, 2^36369991 is an apocalyptic number.

36369991 is a deficient number, since it is larger than the sum of its proper divisors (5286329).

36369991 is a wasteful number, since it uses less digits than its factorization.

36369991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11333.

The product of its digits is 236196, while the sum is 46.

The square root of 36369991 is about 6030.7537671505. The cubic root of 36369991 is about 331.3200598934.

The spelling of 36369991 in words is "thirty-six million, three hundred sixty-nine thousand, nine hundred ninety-one".