38507705 has 4 divisors (see below), whose sum is σ = 46209252. Its totient is φ = 30806160.

The previous prime is 38507687. The next prime is 38507717. The reversal of 38507705 is 50770583.

38507705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5180176 + 33327529 = 2276^2 + 5773^2 .

It is not a de Polignac number, because 38507705 - 2¹⁸ = 38245561 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3850766 + ... + 3850775.

It is an arithmetic number, because the mean of its divisors is an integer number (11552313).

Almost surely, 2^38507705 is an apocalyptic number.

It is an amenable number.

38507705 is a deficient number, since it is larger than the sum of its proper divisors (7701547).

38507705 is an equidigital number, since it uses as much as digits as its factorization.

38507705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7701546.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 38507705 is about 6205.4576785278. The cubic root of 38507705 is about 337.6881949945.

The spelling of 38507705 in words is "thirty-eight million, five hundred seven thousand, seven hundred five".