36443873 has 2 divisors, whose sum is σ = 36443874. Its totient is φ = 36443872.

The previous prime is 36443861. The next prime is 36443893. The reversal of 36443873 is 37834463.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34774609 + 1669264 = 5897^2 + 1292^2 .

It is a cyclic number.

It is not a de Polignac number, because 36443873 - 2⁴ = 36443857 is a prime.

It is a super-3 number, since 3×36443873³ (a number of 24 digits) contains 333 as substring.

It is equal to p_2229788 and since 36443873 and 2229788 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (36443893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18221936 + 18221937.

It is an arithmetic number, because the mean of its divisors is an integer number (18221937).

Almost surely, 2^36443873 is an apocalyptic number.

It is an amenable number.

36443873 is a deficient number, since it is larger than the sum of its proper divisors (1).

36443873 is an equidigital number, since it uses as much as digits as its factorization.

36443873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 38.

The square root of 36443873 is about 6036.8760961279. The cubic root of 36443873 is about 331.5442560086.

The spelling of 36443873 in words is "thirty-six million, four hundred forty-three thousand, eight hundred seventy-three".