38109937 has 8 divisors (see below), whose sum is σ = 40502376. Its totient is φ = 35734272.

The previous prime is 38109899. The next prime is 38109949. The reversal of 38109937 is 73990183.

It can be written as a sum of positive squares in 4 ways, for example, as 4016016 + 34093921 = 2004^2 + 5839^2 .

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

It is not a de Polignac number, because 38109937 - 2¹⁹ = 37585649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38109937.

It is not an unprimeable number, because it can be changed into a prime (38109977) 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, 663 + ... + 8755.

It is an arithmetic number, because the mean of its divisors is an integer number (5062797).

Almost surely, 2^38109937 is an apocalyptic number.

It is an amenable number.

38109937 is a deficient number, since it is larger than the sum of its proper divisors (2392439).

38109937 is a wasteful number, since it uses less digits than its factorization.

38109937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8387.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 38109937 is about 6173.3246310234. The cubic root of 38109937 is about 336.5214438636.

The spelling of 38109937 in words is "thirty-eight million, one hundred nine thousand, nine hundred thirty-seven".