38648187 has 12 divisors (see below), whose sum is σ = 55930680. Its totient is φ = 25716768.

The previous prime is 38648167. The next prime is 38648189. The reversal of 38648187 is 78184683.

It is not a de Polignac number, because 38648187 - 2⁷ = 38648059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38648189) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1348 + ... + 8894.

It is an arithmetic number, because the mean of its divisors is an integer number (4660890).

Almost surely, 2^38648187 is an apocalyptic number.

38648187 is a deficient number, since it is larger than the sum of its proper divisors (17282493).

38648187 is a wasteful number, since it uses less digits than its factorization.

38648187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8122 (or 8119 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 38648187 is about 6216.7666033075. The cubic root of 38648187 is about 338.0983427061.

The spelling of 38648187 in words is "thirty-eight million, six hundred forty-eight thousand, one hundred eighty-seven".