36043999 has 2 divisors, whose sum is σ = 36044000. Its totient is φ = 36043998.

The previous prime is 36043991. The next prime is 36044003. The reversal of 36043999 is 99934063.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (99934063) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36043999 - 2³ = 36043991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36043991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18021999 + 18022000.

It is an arithmetic number, because the mean of its divisors is an integer number (18022000).

Almost surely, 2^36043999 is an apocalyptic number.

36043999 is a deficient number, since it is larger than the sum of its proper divisors (1).

36043999 is an equidigital number, since it uses as much as digits as its factorization.

36043999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 43.

The square root of 36043999 is about 6003.6654636980. The cubic root of 36043999 is about 330.3271900281.

The spelling of 36043999 in words is "thirty-six million, forty-three thousand, nine hundred ninety-nine".