38030805 has 12 divisors (see below), whose sum is σ = 65920140. Its totient is φ = 20283072.

The previous prime is 38030779. The next prime is 38030873. The reversal of 38030805 is 50803083.

It can be written as a sum of positive squares in 2 ways, for example, as 16184529 + 21846276 = 4023^2 + 4674^2 .

It is not a de Polignac number, because 38030805 - 2¹⁰ = 38029781 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 422520 + ... + 422609.

It is an arithmetic number, because the mean of its divisors is an integer number (5493345).

Almost surely, 2^38030805 is an apocalyptic number.

It is an amenable number.

38030805 is a deficient number, since it is larger than the sum of its proper divisors (27889335).

38030805 is a wasteful number, since it uses less digits than its factorization.

38030805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845140 (or 845137 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 38030805 is about 6166.9121122325. The cubic root of 38030805 is about 336.2883632058.

Adding to 38030805 its reverse (50803083), we get a palindrome (88833888).

The spelling of 38030805 in words is "thirty-eight million, thirty thousand, eight hundred five".