38648338 has 4 divisors (see below), whose sum is σ = 57972510. Its totient is φ = 19324168.

The previous prime is 38648333. The next prime is 38648359. The reversal of 38648338 is 83384683.

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

It can be written as a sum of positive squares in only one way, i.e., 21780889 + 16867449 = 4667^2 + 4107^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38648294 and 38648303.

It is not an unprimeable number, because it can be changed into a prime (38648333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9662083 + ... + 9662086.

Almost surely, 2^38648338 is an apocalyptic number.

38648338 is a deficient number, since it is larger than the sum of its proper divisors (19324172).

38648338 is a wasteful number, since it uses less digits than its factorization.

38648338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19324171.

The product of its digits is 331776, while the sum is 43.

The square root of 38648338 is about 6216.7787478726. The cubic root of 38648338 is about 338.0987830268.

The spelling of 38648338 in words is "thirty-eight million, six hundred forty-eight thousand, three hundred thirty-eight".