38638495 has 32 divisors (see below), whose sum is σ = 56448000. Its totient is φ = 24800256.

The previous prime is 38638489. The next prime is 38638499. The reversal of 38638495 is 59483683.

It is a cyclic number.

It is not a de Polignac number, because 38638495 - 2⁵ = 38638463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38638499) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64206 + ... + 64804.

It is an arithmetic number, because the mean of its divisors is an integer number (1764000).

Almost surely, 2^38638495 is an apocalyptic number.

38638495 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

38638495 is a deficient number, since it is larger than the sum of its proper divisors (17809505).

38638495 is a wasteful number, since it uses less digits than its factorization.

38638495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727.

The product of its digits is 622080, while the sum is 46.

The square root of 38638495 is about 6215.9870495361. The cubic root of 38638495 is about 338.0700781367.

The spelling of 38638495 in words is "thirty-eight million, six hundred thirty-eight thousand, four hundred ninety-five".