36328991 has 2 divisors, whose sum is σ = 36328992. Its totient is φ = 36328990.

The previous prime is 36328933. The next prime is 36328997. The reversal of 36328991 is 19982363.

36328991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36328991 - 2⁶ = 36328927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36328997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18164495 + 18164496.

It is an arithmetic number, because the mean of its divisors is an integer number (18164496).

Almost surely, 2^36328991 is an apocalyptic number.

36328991 is a deficient number, since it is larger than the sum of its proper divisors (1).

36328991 is an equidigital number, since it uses as much as digits as its factorization.

36328991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 41.

The square root of 36328991 is about 6027.3535652059. The cubic root of 36328991 is about 331.1955137153.

The spelling of 36328991 in words is "thirty-six million, three hundred twenty-eight thousand, nine hundred ninety-one".