38705667 has 32 divisors (see below), whose sum is σ = 69296640. Its totient is φ = 18558720.

The previous prime is 38705647. The next prime is 38705677. The reversal of 38705667 is 76650783.

It is not a de Polignac number, because 38705667 - 2⁷ = 38705539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38705647) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3442 + ... + 9447.

It is an arithmetic number, because the mean of its divisors is an integer number (2165520).

Almost surely, 2^38705667 is an apocalyptic number.

38705667 is a deficient number, since it is larger than the sum of its proper divisors (30590973).

38705667 is a wasteful number, since it uses less digits than its factorization.

38705667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12923.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 38705667 is about 6221.3878676707. The cubic root of 38705667 is about 338.2658733440.

Subtracting 38705667 from its reverse (76650783), we obtain a triangular number (37945116 = T₈₇₁₁).

The spelling of 38705667 in words is "thirty-eight million, seven hundred five thousand, six hundred sixty-seven".