38887369 has 2 divisors, whose sum is σ = 38887370. Its totient is φ = 38887368.

The previous prime is 38887367. The next prime is 38887379. The reversal of 38887369 is 96378883.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38278969 + 608400 = 6187^2 + 780^2 .

It is a cyclic number.

It is not a de Polignac number, because 38887369 - 2¹ = 38887367 is a prime.

It is a super-2 number, since 2×38887369² = 3024454935484322, which contains 22 as substring.

Together with 38887367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (38887367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19443684 + 19443685.

It is an arithmetic number, because the mean of its divisors is an integer number (19443685).

Almost surely, 2^38887369 is an apocalyptic number.

It is an amenable number.

38887369 is a deficient number, since it is larger than the sum of its proper divisors (1).

38887369 is an equidigital number, since it uses as much as digits as its factorization.

38887369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 52.

The square root of 38887369 is about 6235.9737812149. The cubic root of 38887369 is about 338.7943718059.

The spelling of 38887369 in words is "thirty-eight million, eight hundred eighty-seven thousand, three hundred sixty-nine".