38876729 has 2 divisors, whose sum is σ = 38876730. Its totient is φ = 38876728.

The previous prime is 38876711. The next prime is 38876731. The reversal of 38876729 is 92767883.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26988025 + 11888704 = 5195^2 + 3448^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38876729 is a prime.

It is a super-2 number, since 2×38876729² = 3022800115478882, which contains 22 as substring.

Together with 38876731, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38876779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19438364 + 19438365.

It is an arithmetic number, because the mean of its divisors is an integer number (19438365).

Almost surely, 2^38876729 is an apocalyptic number.

It is an amenable number.

38876729 is a deficient number, since it is larger than the sum of its proper divisors (1).

38876729 is an equidigital number, since it uses as much as digits as its factorization.

38876729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 50.

The square root of 38876729 is about 6235.1206082962. The cubic root of 38876729 is about 338.7634697330.

The spelling of 38876729 in words is "thirty-eight million, eight hundred seventy-six thousand, seven hundred twenty-nine".