38916433 has 2 divisors, whose sum is σ = 38916434. Its totient is φ = 38916432.

The previous prime is 38916343. The next prime is 38916443. The reversal of 38916433 is 33461983.

Together with previous prime (38916343) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35141184 + 3775249 = 5928^2 + 1943^2 .

It is a cyclic number.

It is not a de Polignac number, because 38916433 - 2¹³ = 38908241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38916392 and 38916401.

It is not a weakly prime, because it can be changed into another prime (38916443) 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, 19458216 + 19458217.

It is an arithmetic number, because the mean of its divisors is an integer number (19458217).

Almost surely, 2^38916433 is an apocalyptic number.

It is an amenable number.

38916433 is a deficient number, since it is larger than the sum of its proper divisors (1).

38916433 is an equidigital number, since it uses as much as digits as its factorization.

38916433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 37.

The square root of 38916433 is about 6238.3036957173. The cubic root of 38916433 is about 338.8787545398.

The spelling of 38916433 in words is "thirty-eight million, nine hundred sixteen thousand, four hundred thirty-three".