38634305 has 8 divisors (see below), whose sum is σ = 46396392. Its totient is φ = 30883968.

The previous prime is 38634257. The next prime is 38634307. The reversal of 38634305 is 50343683.

It can be written as a sum of positive squares in 4 ways, for example, as 3682561 + 34951744 = 1919^2 + 5912^2 .

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 38634305 - 2⁶ = 38634241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38634307) 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, 8027 + ... + 11903.

It is an arithmetic number, because the mean of its divisors is an integer number (5799549).

Almost surely, 2^38634305 is an apocalyptic number.

It is an amenable number.

38634305 is a deficient number, since it is larger than the sum of its proper divisors (7762087).

38634305 is a wasteful number, since it uses less digits than its factorization.

38634305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5875.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 38634305 is about 6215.6500062343. The cubic root of 38634305 is about 338.0578574672.

Adding to 38634305 its reverse (50343683), we get a palindrome (88977988).

The spelling of 38634305 in words is "thirty-eight million, six hundred thirty-four thousand, three hundred five".