38648618 has 8 divisors (see below), whose sum is σ = 58671648. Its totient is φ = 19091404.

The previous prime is 38648593. The next prime is 38648627. The reversal of 38648618 is 81684683.

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, 116246 + ... + 116577.

It is an arithmetic number, because the mean of its divisors is an integer number (7333956).

Almost surely, 2^38648618 is an apocalyptic number.

38648618 is a deficient number, since it is larger than the sum of its proper divisors (20023030).

38648618 is a wasteful number, since it uses less digits than its factorization.

38648618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232908.

The product of its digits is 221184, while the sum is 44.

The square root of 38648618 is about 6216.8012675330. The cubic root of 38648618 is about 338.0995995124.

The spelling of 38648618 in words is "thirty-eight million, six hundred forty-eight thousand, six hundred eighteen".