384677 has 4 divisors (see below), whose sum is σ = 386220. Its totient is φ = 383136.

The previous prime is 384673. The next prime is 384691. The reversal of 384677 is 776483.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 185761 + 198916 = 431^2 + 446^2 .

It is a cyclic number.

It is not a de Polignac number, because 384677 - 2² = 384673 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384673) 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, 302 + ... + 927.

It is an arithmetic number, because the mean of its divisors is an integer number (96555).

2³⁸⁴⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

384677 is a deficient number, since it is larger than the sum of its proper divisors (1543).

384677 is a wasteful number, since it uses less digits than its factorization.

384677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542.

The product of its digits is 28224, while the sum is 35.

The square root of 384677 is about 620.2233468679. The cubic root of 384677 is about 72.7275135882.

The spelling of 384677 in words is "three hundred eighty-four thousand, six hundred seventy-seven".