36009791 has 8 divisors (see below), whose sum is σ = 39015504. Its totient is φ = 33102720.

The previous prime is 36009781. The next prime is 36009811. The reversal of 36009791 is 19790063.

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 36009791 - 2¹⁰ = 36008767 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 (36009751) 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, 23900 + ... + 25361.

It is an arithmetic number, because the mean of its divisors is an integer number (4876938).

Almost surely, 2^36009791 is an apocalyptic number.

36009791 is a deficient number, since it is larger than the sum of its proper divisors (3005713).

36009791 is a wasteful number, since it uses less digits than its factorization.

36009791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49321.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 36009791 is about 6000.8158611975. The cubic root of 36009791 is about 330.2226565925. Note that the first 3 decimals are identical.

The spelling of 36009791 in words is "thirty-six million, nine thousand, seven hundred ninety-one".