38831105 has 4 divisors (see below), whose sum is σ = 46597332. Its totient is φ = 31064880.

The previous prime is 38831099. The next prime is 38831113. The reversal of 38831105 is 50113883.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4068289 + 34762816 = 2017^2 + 5896^2 .

It is a de Polignac number, because none of the positive numbers 2^k-38831105 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3883106 + ... + 3883115.

It is an arithmetic number, because the mean of its divisors is an integer number (11649333).

Almost surely, 2^38831105 is an apocalyptic number.

It is an amenable number.

38831105 is a deficient number, since it is larger than the sum of its proper divisors (7766227).

38831105 is an equidigital number, since it uses as much as digits as its factorization.

38831105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7766226.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 38831105 is about 6231.4609041540. The cubic root of 38831105 is about 338.6308986128.

Adding to 38831105 its reverse (50113883), we get a palindrome (88944988).

The spelling of 38831105 in words is "thirty-eight million, eight hundred thirty-one thousand, one hundred five".