38696687 has 2 divisors, whose sum is σ = 38696688. Its totient is φ = 38696686.

The previous prime is 38696683. The next prime is 38696761. The reversal of 38696687 is 78669683.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38696687 - 2² = 38696683 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38696681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19348343 + 19348344.

It is an arithmetic number, because the mean of its divisors is an integer number (19348344).

Almost surely, 2^38696687 is an apocalyptic number.

38696687 is a deficient number, since it is larger than the sum of its proper divisors (1).

38696687 is an equidigital number, since it uses as much as digits as its factorization.

38696687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 53.

The square root of 38696687 is about 6220.6661218876. Note that the first 3 decimals coincide. The cubic root of 38696687 is about 338.2397112621.

The spelling of 38696687 in words is "thirty-eight million, six hundred ninety-six thousand, six hundred eighty-seven".