38857433 has 2 divisors, whose sum is σ = 38857434. Its totient is φ = 38857432.

The previous prime is 38857417. The next prime is 38857439. The reversal of 38857433 is 33475883.

38857433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31393609 + 7463824 = 5603^2 + 2732^2 .

It is a cyclic number.

It is not a de Polignac number, because 38857433 - 2⁴ = 38857417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38857439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19428716 + 19428717.

It is an arithmetic number, because the mean of its divisors is an integer number (19428717).

Almost surely, 2^38857433 is an apocalyptic number.

It is an amenable number.

38857433 is a deficient number, since it is larger than the sum of its proper divisors (1).

38857433 is an equidigital number, since it uses as much as digits as its factorization.

38857433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 41.

The square root of 38857433 is about 6233.5730524315. The cubic root of 38857433 is about 338.7074133907.

The spelling of 38857433 in words is "thirty-eight million, eight hundred fifty-seven thousand, four hundred thirty-three".