384613 has 4 divisors (see below), whose sum is σ = 387520. Its totient is φ = 381708.

The previous prime is 384611. The next prime is 384619. The reversal of 384613 is 316483.

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: 316483 = 19 ⋅16657.

It is a cyclic number.

It is not a de Polignac number, because 384613 - 2¹ = 384611 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 (384611) 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, 1245 + ... + 1522.

It is an arithmetic number, because the mean of its divisors is an integer number (96880).

2³⁸⁴⁶¹³ is an apocalyptic number.

It is an amenable number.

384613 is a deficient number, since it is larger than the sum of its proper divisors (2907).

384613 is a wasteful number, since it uses less digits than its factorization.

384613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906.

The product of its digits is 1728, while the sum is 25.

The square root of 384613 is about 620.1717504047. The cubic root of 384613 is about 72.7234800579.

The spelling of 384613 in words is "three hundred eighty-four thousand, six hundred thirteen".