38383709 has 12 divisors (see below), whose sum is σ = 48085884. Its totient is φ = 30369024.

The previous prime is 38383693. The next prime is 38383759. The reversal of 38383709 is 90738383.

It can be written as a sum of positive squares in 2 ways, for example, as 17935225 + 20448484 = 4235^2 + 4522^2 .

It is not a de Polignac number, because 38383709 - 2⁴ = 38383693 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38383759) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29492 + ... + 30765.

It is an arithmetic number, because the mean of its divisors is an integer number (4007157).

Almost surely, 2^38383709 is an apocalyptic number.

It is an amenable number.

38383709 is a deficient number, since it is larger than the sum of its proper divisors (9702175).

38383709 is a wasteful number, since it uses less digits than its factorization.

38383709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60284 (or 60277 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 38383709 is about 6195.4587400773. The cubic root of 38383709 is about 337.3253497835.

The spelling of 38383709 in words is "thirty-eight million, three hundred eighty-three thousand, seven hundred nine".