38926289 has 2 divisors, whose sum is σ = 38926290. Its totient is φ = 38926288.

The previous prime is 38926271. The next prime is 38926291. The reversal of 38926289 is 98262983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38130625 + 795664 = 6175^2 + 892^2 .

It is a cyclic number.

It is not a de Polignac number, because 38926289 - 2¹⁶ = 38860753 is a prime.

Together with 38926291, 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 (38926229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19463144 + 19463145.

It is an arithmetic number, because the mean of its divisors is an integer number (19463145).

Almost surely, 2^38926289 is an apocalyptic number.

It is an amenable number.

38926289 is a deficient number, since it is larger than the sum of its proper divisors (1).

38926289 is an equidigital number, since it uses as much as digits as its factorization.

38926289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 47.

The square root of 38926289 is about 6239.0936040422. The cubic root of 38926289 is about 338.9073603397.

The spelling of 38926289 in words is "thirty-eight million, nine hundred twenty-six thousand, two hundred eighty-nine".