36391936 has 44 divisors (see below), whose sum is σ = 83157328. Its totient is φ = 15593472.

The previous prime is 36391891. The next prime is 36391937. The reversal of 36391936 is 63919363.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (36391937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4630 + ... + 9706.

Almost surely, 2^36391936 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 36391936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41578664).

36391936 is an abundant number, since it is smaller than the sum of its proper divisors (46765392).

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

36391936 is an equidigital number, since it uses as much as digits as its factorization.

36391936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5104 (or 5086 counting only the distinct ones).

The product of its digits is 78732, while the sum is 40.

The square root of 36391936 is about 6032.5729170894. The cubic root of 36391936 is about 331.3866840217.

The spelling of 36391936 in words is "thirty-six million, three hundred ninety-one thousand, nine hundred thirty-six".