38938805 has 4 divisors (see below), whose sum is σ = 46726572. Its totient is φ = 31151040.

The previous prime is 38938787. The next prime is 38938813. The reversal of 38938805 is 50883983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50883983 = 503 ⋅101161.

It can be written as a sum of positive squares in 2 ways, for example, as 8213956 + 30724849 = 2866^2 + 5543^2 .

It is not a de Polignac number, because 38938805 - 2⁶ = 38938741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3893876 + ... + 3893885.

It is an arithmetic number, because the mean of its divisors is an integer number (11681643).

Almost surely, 2^38938805 is an apocalyptic number.

It is an amenable number.

38938805 is a deficient number, since it is larger than the sum of its proper divisors (7787767).

38938805 is an equidigital number, since it uses as much as digits as its factorization.

38938805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7787766.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 38938805 is about 6240.0965537402. The cubic root of 38938805 is about 338.9436794965.

The spelling of 38938805 in words is "thirty-eight million, nine hundred thirty-eight thousand, eight hundred five".