38401019 has 2 divisors, whose sum is σ = 38401020. Its totient is φ = 38401018.

The previous prime is 38401009. The next prime is 38401037. The reversal of 38401019 is 91010483.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38401019 - 2⁴ = 38401003 is a prime.

It is a super-2 number, since 2×38401019² = 2949276520476722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38401009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19200509 + 19200510.

It is an arithmetic number, because the mean of its divisors is an integer number (19200510).

Almost surely, 2^38401019 is an apocalyptic number.

38401019 is a deficient number, since it is larger than the sum of its proper divisors (1).

38401019 is an equidigital number, since it uses as much as digits as its factorization.

38401019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 38401019 is about 6196.8555735954. The cubic root of 38401019 is about 337.3760503231.

The spelling of 38401019 in words is "thirty-eight million, four hundred one thousand, nineteen".