38382909 has 4 divisors (see below), whose sum is σ = 51177216. Its totient is φ = 25588604.

The previous prime is 38382901. The next prime is 38382913. The reversal of 38382909 is 90928383.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38382909 - 2³ = 38382901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38382901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6397149 + ... + 6397154.

It is an arithmetic number, because the mean of its divisors is an integer number (12794304).

Almost surely, 2^38382909 is an apocalyptic number.

It is an amenable number.

38382909 is a deficient number, since it is larger than the sum of its proper divisors (12794307).

38382909 is a wasteful number, since it uses less digits than its factorization.

38382909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12794306.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 38382909 is about 6195.3941763216. The cubic root of 38382909 is about 337.3230062359.

The spelling of 38382909 in words is "thirty-eight million, three hundred eighty-two thousand, nine hundred nine".