38001667 has 4 divisors (see below), whose sum is σ = 41456376. Its totient is φ = 34546960.

The previous prime is 38001661. The next prime is 38001697. The reversal of 38001667 is 76610083.

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

It is a cyclic number.

It is not a de Polignac number, because 38001667 - 2¹⁵ = 37968899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38001661) 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 3 ways as a sum of consecutive naturals, for example, 1727338 + ... + 1727359.

It is an arithmetic number, because the mean of its divisors is an integer number (10364094).

Almost surely, 2^38001667 is an apocalyptic number.

38001667 is a deficient number, since it is larger than the sum of its proper divisors (3454709).

38001667 is a wasteful number, since it uses less digits than its factorization.

38001667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3454708.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 38001667 is about 6164.5492130406. The cubic root of 38001667 is about 336.2024567598.

It can be divided in two parts, 380016 and 67, that added together give a palindrome (380083).

The spelling of 38001667 in words is "thirty-eight million, one thousand, six hundred sixty-seven".