38650909 has 16 divisors (see below), whose sum is σ = 43217280. Its totient is φ = 34557600.

The previous prime is 38650907. The next prime is 38650919. The reversal of 38650909 is 90905683.

It is not a de Polignac number, because 38650909 - 2¹ = 38650907 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38650907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94297 + ... + 94705.

It is an arithmetic number, because the mean of its divisors is an integer number (2701080).

Almost surely, 2^38650909 is an apocalyptic number.

It is an amenable number.

38650909 is a deficient number, since it is larger than the sum of its proper divisors (4566371).

38650909 is an equidigital number, since it uses as much as digits as its factorization.

38650909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 38650909 is about 6216.9855235476. The cubic root of 38650909 is about 338.1062799658.

The spelling of 38650909 in words is "thirty-eight million, six hundred fifty thousand, nine hundred nine".