39854057 has 2 divisors, whose sum is σ = 39854058. Its totient is φ = 39854056.

The previous prime is 39854047. The next prime is 39854081. The reversal of 39854057 is 75045893.

39854057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39175081 + 678976 = 6259^2 + 824^2 .

It is a cyclic number.

It is not a de Polignac number, because 39854057 - 2⁶ = 39853993 is a prime.

It is not a weakly prime, because it can be changed into another prime (39854047) 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, 19927028 + 19927029.

It is an arithmetic number, because the mean of its divisors is an integer number (19927029).

Almost surely, 2^39854057 is an apocalyptic number.

It is an amenable number.

39854057 is a deficient number, since it is larger than the sum of its proper divisors (1).

39854057 is an equidigital number, since it uses as much as digits as its factorization.

39854057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 39854057 is about 6313.0069697411. The cubic root of 39854057 is about 341.5787507555.

The spelling of 39854057 in words is "thirty-nine million, eight hundred fifty-four thousand, fifty-seven".