38699 has 2 divisors, whose sum is σ = 38700. Its totient is φ = 38698.

The previous prime is 38693. The next prime is 38707. The reversal of 38699 is 99683.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38699 - 2¹² = 34603 is a prime.

It is a super-2 number, since 2×38699² = 2995225202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19349 + 19350.

It is an arithmetic number, because the mean of its divisors is an integer number (19350).

2³⁸⁶⁹⁹ is an apocalyptic number.

38699 is a deficient number, since it is larger than the sum of its proper divisors (1).

38699 is an equidigital number, since it uses as much as digits as its factorization.

38699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 35.

The square root of 38699 is about 196.7206140698. The cubic root of 38699 is about 33.8246450279.

It can be divided in two parts, 38 and 699, that multiplied together give a palindrome (26562).

The spelling of 38699 in words is "thirty-eight thousand, six hundred ninety-nine".