38986757 has 2 divisors, whose sum is σ = 38986758. Its totient is φ = 38986756.

The previous prime is 38986741. The next prime is 38986769. The reversal of 38986757 is 75768983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28398241 + 10588516 = 5329^2 + 3254^2 .

It is a cyclic number.

It is not a de Polignac number, because 38986757 - 2⁴ = 38986741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38986699 and 38986708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38986657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19493378 + 19493379.

It is an arithmetic number, because the mean of its divisors is an integer number (19493379).

Almost surely, 2^38986757 is an apocalyptic number.

It is an amenable number.

38986757 is a deficient number, since it is larger than the sum of its proper divisors (1).

38986757 is an equidigital number, since it uses as much as digits as its factorization.

38986757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 53.

The square root of 38986757 is about 6243.9376198037. The cubic root of 38986757 is about 339.0827555003.

The spelling of 38986757 in words is "thirty-eight million, nine hundred eighty-six thousand, seven hundred fifty-seven".