38323209 has 16 divisors (see below), whose sum is σ = 53948480. Its totient is φ = 24131520.

The previous prime is 38323193. The next prime is 38323217. The reversal of 38323209 is 90232383.

It is not a de Polignac number, because 38323209 - 2⁴ = 38323193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38323279) 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, 23199 + ... + 24795.

It is an arithmetic number, because the mean of its divisors is an integer number (3371780).

Almost surely, 2^38323209 is an apocalyptic number.

It is an amenable number.

38323209 is a deficient number, since it is larger than the sum of its proper divisors (15625271).

38323209 is a wasteful number, since it uses less digits than its factorization.

38323209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 38323209 is about 6190.5742060006. The cubic root of 38323209 is about 337.1480270253.

The spelling of 38323209 in words is "thirty-eight million, three hundred twenty-three thousand, two hundred nine".