38694863 has 2 divisors, whose sum is σ = 38694864. Its totient is φ = 38694862.

The previous prime is 38694847. The next prime is 38694871. The reversal of 38694863 is 36849683.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38694863 - 2⁴ = 38694847 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38694833) 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, 19347431 + 19347432.

It is an arithmetic number, because the mean of its divisors is an integer number (19347432).

Almost surely, 2^38694863 is an apocalyptic number.

38694863 is a deficient number, since it is larger than the sum of its proper divisors (1).

38694863 is an equidigital number, since it uses as much as digits as its factorization.

38694863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 47.

The square root of 38694863 is about 6220.5195120665. The cubic root of 38694863 is about 338.2343967767.

The spelling of 38694863 in words is "thirty-eight million, six hundred ninety-four thousand, eight hundred sixty-three".