38873181 has 8 divisors (see below), whose sum is σ = 51867040. Its totient is φ = 25897392.

The previous prime is 38873173. The next prime is 38873209. The reversal of 38873181 is 18137883.

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

It is not a de Polignac number, because 38873181 - 2³ = 38873173 is a prime.

It is a super-2 number, since 2×38873181² = 3022248402117522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38873141) 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, 1746 + ... + 8988.

It is an arithmetic number, because the mean of its divisors is an integer number (6483380).

Almost surely, 2^38873181 is an apocalyptic number.

It is an amenable number.

38873181 is a deficient number, since it is larger than the sum of its proper divisors (12993859).

38873181 is a wasteful number, since it uses less digits than its factorization.

38873181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9035.

The product of its digits is 32256, while the sum is 39.

The square root of 38873181 is about 6234.8360844532. The cubic root of 38873181 is about 338.7531639161.

The spelling of 38873181 in words is "thirty-eight million, eight hundred seventy-three thousand, one hundred eighty-one".