36843481 has 2 divisors, whose sum is σ = 36843482. Its totient is φ = 36843480.

The previous prime is 36843463. The next prime is 36843503. The reversal of 36843481 is 18434863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22848400 + 13995081 = 4780^2 + 3741^2 .

It is a cyclic number.

It is not a de Polignac number, because 36843481 - 2¹⁵ = 36810713 is a prime.

It is a super-2 number, since 2×36843481² = 2714884184394722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36843481.

It is not a weakly prime, because it can be changed into another prime (36843421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18421740 + 18421741.

It is an arithmetic number, because the mean of its divisors is an integer number (18421741).

Almost surely, 2^36843481 is an apocalyptic number.

It is an amenable number.

36843481 is a deficient number, since it is larger than the sum of its proper divisors (1).

36843481 is an equidigital number, since it uses as much as digits as its factorization.

36843481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 37.

The square root of 36843481 is about 6069.8831125484. The cubic root of 36843481 is about 332.7516507488.

The spelling of 36843481 in words is "thirty-six million, eight hundred forty-three thousand, four hundred eighty-one".