38842609 has 8 divisors (see below), whose sum is σ = 42420672. Its totient is φ = 35348880.

The previous prime is 38842567. The next prime is 38842613. The reversal of 38842609 is 90624883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38842609 - 2¹⁹ = 38318321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38842619) 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 7 ways as a sum of consecutive naturals, for example, 20119 + ... + 21964.

It is an arithmetic number, because the mean of its divisors is an integer number (5302584).

Almost surely, 2^38842609 is an apocalyptic number.

It is an amenable number.

38842609 is a deficient number, since it is larger than the sum of its proper divisors (3578063).

38842609 is a wasteful number, since it uses less digits than its factorization.

38842609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42167.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 38842609 is about 6232.3838938243. The cubic root of 38842609 is about 338.6643359411.

The spelling of 38842609 in words is "thirty-eight million, eight hundred forty-two thousand, six hundred nine".