39926057 has 2 divisors, whose sum is σ = 39926058. Its totient is φ = 39926056.

The previous prime is 39926041. The next prime is 39926063. The reversal of 39926057 is 75062993.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38887696 + 1038361 = 6236^2 + 1019^2 .

It is a cyclic number.

It is not a de Polignac number, because 39926057 - 2⁴ = 39926041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (39926017) 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, 19963028 + 19963029.

It is an arithmetic number, because the mean of its divisors is an integer number (19963029).

Almost surely, 2^39926057 is an apocalyptic number.

It is an amenable number.

39926057 is a deficient number, since it is larger than the sum of its proper divisors (1).

39926057 is an equidigital number, since it uses as much as digits as its factorization.

39926057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 39926057 is about 6318.7069088541. The cubic root of 39926057 is about 341.7843247632.

The spelling of 39926057 in words is "thirty-nine million, nine hundred twenty-six thousand, fifty-seven".