38000709 has 12 divisors (see below), whose sum is σ = 55171116. Its totient is φ = 25204032.

The previous prime is 38000693. The next prime is 38000719. The reversal of 38000709 is 90700083.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21622500 + 16378209 = 4650^2 + 4047^2 .

It is not a de Polignac number, because 38000709 - 2⁴ = 38000693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38000719) 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 11 ways as a sum of consecutive naturals, for example, 8944 + ... + 12489.

It is an arithmetic number, because the mean of its divisors is an integer number (4597593).

Almost surely, 2^38000709 is an apocalyptic number.

It is an amenable number.

38000709 is a deficient number, since it is larger than the sum of its proper divisors (17170407).

38000709 is a wasteful number, since it uses less digits than its factorization.

38000709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21636 (or 21633 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 38000709 is about 6164.4715101945. The cubic root of 38000709 is about 336.1996315797.

The spelling of 38000709 in words is "thirty-eight million, seven hundred nine", and thus it is an aban number.