38880869 has 2 divisors, whose sum is σ = 38880870. Its totient is φ = 38880868.

The previous prime is 38880857. The next prime is 38880871. The reversal of 38880869 is 96808883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22372900 + 16507969 = 4730^2 + 4063^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38880869 is a prime.

It is a super-2 number, since 2×38880869² = 3023443948390322, which contains 22 as substring.

Together with 38880871, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38880889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19440434 + 19440435.

It is an arithmetic number, because the mean of its divisors is an integer number (19440435).

Almost surely, 2^38880869 is an apocalyptic number.

It is an amenable number.

38880869 is a deficient number, since it is larger than the sum of its proper divisors (1).

38880869 is an equidigital number, since it uses as much as digits as its factorization.

38880869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 663552, while the sum is 50.

The square root of 38880869 is about 6235.4525898286. The cubic root of 38880869 is about 338.7754943299.

The spelling of 38880869 in words is "thirty-eight million, eight hundred eighty thousand, eight hundred sixty-nine".