38805019 has 8 divisors (see below), whose sum is σ = 42384240. Its totient is φ = 35234400.

The previous prime is 38805007. The next prime is 38805043. The reversal of 38805019 is 91050883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38805019 - 2⁷ = 38804891 is a prime.

It is a super-2 number, since 2×38805019² = 3011658999180722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38805059) 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 in 7 ways as a sum of consecutive naturals, for example, 10609 + ... + 13789.

It is an arithmetic number, because the mean of its divisors is an integer number (5298030).

Almost surely, 2^38805019 is an apocalyptic number.

38805019 is a deficient number, since it is larger than the sum of its proper divisors (3579221).

38805019 is a wasteful number, since it uses less digits than its factorization.

38805019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4301.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 38805019 is about 6229.3674638762. The cubic root of 38805019 is about 338.5550530209. Note that the first 3 decimals are identical.

The spelling of 38805019 in words is "thirty-eight million, eight hundred five thousand, nineteen".