38678833 has 2 divisors, whose sum is σ = 38678834. Its totient is φ = 38678832.

The previous prime is 38678789. The next prime is 38678839. The reversal of 38678833 is 33887683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37662769 + 1016064 = 6137^2 + 1008^2 .

It is a cyclic number.

It is not a de Polignac number, because 38678833 - 2²⁵ = 5124401 is a prime.

It is not a weakly prime, because it can be changed into another prime (38678839) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19339416 + 19339417.

It is an arithmetic number, because the mean of its divisors is an integer number (19339417).

Almost surely, 2^38678833 is an apocalyptic number.

It is an amenable number.

38678833 is a deficient number, since it is larger than the sum of its proper divisors (1).

38678833 is an equidigital number, since it uses as much as digits as its factorization.

38678833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 46.

The square root of 38678833 is about 6219.2309010038. The cubic root of 38678833 is about 338.1876838900.

The spelling of 38678833 in words is "thirty-eight million, six hundred seventy-eight thousand, eight hundred thirty-three".