38642306 has 8 divisors (see below), whose sum is σ = 59833344. Its totient is φ = 18697860.

The previous prime is 38642299. The next prime is 38642311. The reversal of 38642306 is 60324683.

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

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, 311570 + ... + 311693.

It is an arithmetic number, because the mean of its divisors is an integer number (7479168).

Almost surely, 2^38642306 is an apocalyptic number.

38642306 is a deficient number, since it is larger than the sum of its proper divisors (21191038).

38642306 is a wasteful number, since it uses less digits than its factorization.

38642306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623296.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 38642306 is about 6216.2935902353. The cubic root of 38642306 is about 338.0811926372.

Adding to 38642306 its reverse (60324683), we get a palindrome (98966989).

The spelling of 38642306 in words is "thirty-eight million, six hundred forty-two thousand, three hundred six".