38896919 has 2 divisors, whose sum is σ = 38896920. Its totient is φ = 38896918.

The previous prime is 38896873. The next prime is 38896927. The reversal of 38896919 is 91969883.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38896919 is a prime.

It is a super-2 number, since 2×38896919² = 3025940615385122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38896619) 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, 19448459 + 19448460.

It is an arithmetic number, because the mean of its divisors is an integer number (19448460).

Almost surely, 2^38896919 is an apocalyptic number.

38896919 is a deficient number, since it is larger than the sum of its proper divisors (1).

38896919 is an equidigital number, since it uses as much as digits as its factorization.

38896919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 53.

The square root of 38896919 is about 6236.7394526307. The cubic root of 38896919 is about 338.8221033592.

The spelling of 38896919 in words is "thirty-eight million, eight hundred ninety-six thousand, nine hundred nineteen".