38648398 has 4 divisors (see below), whose sum is σ = 57972600. Its totient is φ = 19324198.

The previous prime is 38648377. The next prime is 38648399. The reversal of 38648398 is 89384683.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38648399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9662098 + ... + 9662101.

It is an arithmetic number, because the mean of its divisors is an integer number (14493150).

Almost surely, 2^38648398 is an apocalyptic number.

38648398 is a deficient number, since it is larger than the sum of its proper divisors (19324202).

38648398 is a wasteful number, since it uses less digits than its factorization.

38648398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19324201.

The product of its digits is 995328, while the sum is 49.

The square root of 38648398 is about 6216.7835735210. The cubic root of 38648398 is about 338.0989579883.

It can be divided in two parts, 386 and 48398, that added together give a palindrome (48784).

The spelling of 38648398 in words is "thirty-eight million, six hundred forty-eight thousand, three hundred ninety-eight".