384109 has 4 divisors (see below), whose sum is σ = 419040. Its totient is φ = 349180.

The previous prime is 384107. The next prime is 384113. The reversal of 384109 is 901483.

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, and also an emirpimes, since its reverse is a distinct semiprime: 901483 = 11 ⋅81953.

It is a cyclic number.

It is not a de Polignac number, because 384109 - 2¹ = 384107 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 (384107) 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, 17449 + ... + 17470.

It is an arithmetic number, because the mean of its divisors is an integer number (104760).

2³⁸⁴¹⁰⁹ is an apocalyptic number.

It is an amenable number.

384109 is a deficient number, since it is larger than the sum of its proper divisors (34931).

384109 is a wasteful number, since it uses less digits than its factorization.

384109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34930.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 384109 is about 619.7652781497. The cubic root of 384109 is about 72.6917003594.

The spelling of 384109 in words is "three hundred eighty-four thousand, one hundred nine".