384069 has 8 divisors (see below), whose sum is σ = 585280. Its totient is φ = 219456.

The previous prime is 384067. The next prime is 384079. The reversal of 384069 is 960483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 384069 - 2¹ = 384067 is a prime.

It is a super-2 number, since 2×384069² = 295017993522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9124 + ... + 9165.

It is an arithmetic number, because the mean of its divisors is an integer number (73160).

2³⁸⁴⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

384069 is a deficient number, since it is larger than the sum of its proper divisors (201211).

384069 is a wasteful number, since it uses less digits than its factorization.

384069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18299.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 384069 is about 619.7330070280. The cubic root of 384069 is about 72.6891769706.

Subtracting from 384069 its product of nonzero digits (5184), we obtain a triangular number (378885 = T₈₇₀).

The spelling of 384069 in words is "three hundred eighty-four thousand, sixty-nine".