38492819 has 2 divisors, whose sum is σ = 38492820. Its totient is φ = 38492818.

The previous prime is 38492813. The next prime is 38492833. The reversal of 38492819 is 91829483.

It is a happy number.

38492819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38492819 is a prime.

It is a super-2 number, since 2×38492819² = 2963394229133522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38492819.

It is not a weakly prime, because it can be changed into another prime (38492813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19246409 + 19246410.

It is an arithmetic number, because the mean of its divisors is an integer number (19246410).

Almost surely, 2^38492819 is an apocalyptic number.

38492819 is a deficient number, since it is larger than the sum of its proper divisors (1).

38492819 is an equidigital number, since it uses as much as digits as its factorization.

38492819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 44.

The square root of 38492819 is about 6204.2581345395. The cubic root of 38492819 is about 337.6446757875.

The spelling of 38492819 in words is "thirty-eight million, four hundred ninety-two thousand, eight hundred nineteen".