36489841 has 2 divisors, whose sum is σ = 36489842. Its totient is φ = 36489840.

The previous prime is 36489833. The next prime is 36489851. The reversal of 36489841 is 14898463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31404816 + 5085025 = 5604^2 + 2255^2 .

It is an emirp because it is prime and its reverse (14898463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36489841 - 2³ = 36489833 is a prime.

It is not a weakly prime, because it can be changed into another prime (36489851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18244920 + 18244921.

It is an arithmetic number, because the mean of its divisors is an integer number (18244921).

Almost surely, 2^36489841 is an apocalyptic number.

It is an amenable number.

36489841 is a deficient number, since it is larger than the sum of its proper divisors (1).

36489841 is an equidigital number, since it uses as much as digits as its factorization.

36489841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 43.

The square root of 36489841 is about 6040.6821634647. The cubic root of 36489841 is about 331.6835937703.

The spelling of 36489841 in words is "thirty-six million, four hundred eighty-nine thousand, eight hundred forty-one".