384977 has 4 divisors (see below), whose sum is σ = 393216. Its totient is φ = 376740.

The previous prime is 384973. The next prime is 385001. The reversal of 384977 is 779483.

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: 779483 = 199 ⋅3917.

It is a cyclic number.

It is not a de Polignac number, because 384977 - 2² = 384973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 384977.

It is not an unprimeable number, because it can be changed into a prime (384973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4049 + ... + 4142.

It is an arithmetic number, because the mean of its divisors is an integer number (98304).

2³⁸⁴⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

384977 is a deficient number, since it is larger than the sum of its proper divisors (8239).

384977 is an equidigital number, since it uses as much as digits as its factorization.

384977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8238.

The product of its digits is 42336, while the sum is 38.

The square root of 384977 is about 620.4651480946. The cubic root of 384977 is about 72.7464148003.

The spelling of 384977 in words is "three hundred eighty-four thousand, nine hundred seventy-seven".