38648685 has 16 divisors (see below), whose sum is σ = 62853120. Its totient is φ = 20274240.

The previous prime is 38648681. The next prime is 38648689. The reversal of 38648685 is 58684683.

It is an interprime number because it is at equal distance from previous prime (38648681) and next prime (38648689).

It is not a de Polignac number, because 38648685 - 2² = 38648681 is a prime.

It is a plaindrome in base 8.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38648681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20205 + ... + 22034.

It is an arithmetic number, because the mean of its divisors is an integer number (3928320).

Almost surely, 2^38648685 is an apocalyptic number.

It is an amenable number.

38648685 is a deficient number, since it is larger than the sum of its proper divisors (24204435).

38648685 is a wasteful number, since it uses less digits than its factorization.

38648685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42308.

The product of its digits is 1105920, while the sum is 48.

The square root of 38648685 is about 6216.8066561539. The cubic root of 38648685 is about 338.0997948851.

The spelling of 38648685 in words is "thirty-eight million, six hundred forty-eight thousand, six hundred eighty-five".