36428881 has 2 divisors, whose sum is σ = 36428882. Its totient is φ = 36428880.

The previous prime is 36428801. The next prime is 36428897. The reversal of 36428881 is 18882463.

36428881 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 can be written as a sum of positive squares in only one way, i.e., 30470400 + 5958481 = 5520^2 + 2441^2 .

It is a cyclic number.

It is not a de Polignac number, because 36428881 - 2⁷ = 36428753 is a prime.

It is a super-2 number, since 2×36428881² = 2654126741824322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36428801) 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, 18214440 + 18214441.

It is an arithmetic number, because the mean of its divisors is an integer number (18214441).

Almost surely, 2^36428881 is an apocalyptic number.

It is an amenable number.

36428881 is a deficient number, since it is larger than the sum of its proper divisors (1).

36428881 is an equidigital number, since it uses as much as digits as its factorization.

36428881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73728, while the sum is 40.

The square root of 36428881 is about 6035.6342665871. The cubic root of 36428881 is about 331.4987870650.

The spelling of 36428881 in words is "thirty-six million, four hundred twenty-eight thousand, eight hundred eighty-one".