38851189 has 8 divisors (see below), whose sum is σ = 41994680. Its totient is φ = 35729856.

The previous prime is 38851151. The next prime is 38851193. The reversal of 38851189 is 98115883.

It can be written as a sum of positive squares in 4 ways, for example, as 900 + 38850289 = 30^2 + 6233^2 .

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 38851189 - 2⁹ = 38850677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38851139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1794 + ... + 8995.

It is an arithmetic number, because the mean of its divisors is an integer number (5249335).

Almost surely, 2^38851189 is an apocalyptic number.

It is an amenable number.

38851189 is a deficient number, since it is larger than the sum of its proper divisors (3143491).

38851189 is a wasteful number, since it uses less digits than its factorization.

38851189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11079.

The product of its digits is 69120, while the sum is 43.

The square root of 38851189 is about 6233.0721959560. The cubic root of 38851189 is about 338.6892701234.

The spelling of 38851189 in words is "thirty-eight million, eight hundred fifty-one thousand, one hundred eighty-nine".