39360857 has 2 divisors, whose sum is σ = 39360858. Its totient is φ = 39360856.

The previous prime is 39360833. The next prime is 39360863. The reversal of 39360857 is 75806393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38987536 + 373321 = 6244^2 + 611^2 .

It is a cyclic number.

It is not a de Polignac number, because 39360857 - 2²² = 35166553 is a prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (39360817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19680428 + 19680429.

It is an arithmetic number, because the mean of its divisors is an integer number (19680429).

Almost surely, 2^39360857 is an apocalyptic number.

It is an amenable number.

39360857 is a deficient number, since it is larger than the sum of its proper divisors (1).

39360857 is an equidigital number, since it uses as much as digits as its factorization.

39360857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 39360857 is about 6273.8231565769. The cubic root of 39360857 is about 340.1638685284.

The spelling of 39360857 in words is "thirty-nine million, three hundred sixty thousand, eight hundred fifty-seven".