36420289 has 4 divisors (see below), whose sum is σ = 36507220. Its totient is φ = 36333360.

The previous prime is 36420271. The next prime is 36420301. The reversal of 36420289 is 98202463.

36420289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2873025 + 33547264 = 1695^2 + 5792^2 .

It is a cyclic number.

It is not a de Polignac number, because 36420289 - 2⁹ = 36419777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36420229) 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 in 3 ways as a sum of consecutive naturals, for example, 42834 + ... + 43675.

It is an arithmetic number, because the mean of its divisors is an integer number (9126805).

Almost surely, 2^36420289 is an apocalyptic number.

It is an amenable number.

36420289 is a deficient number, since it is larger than the sum of its proper divisors (86931).

36420289 is an equidigital number, since it uses as much as digits as its factorization.

36420289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86930.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 36420289 is about 6034.9224518630. The cubic root of 36420289 is about 331.4727229326.

The spelling of 36420289 in words is "thirty-six million, four hundred twenty thousand, two hundred eighty-nine".