384955 has 4 divisors (see below), whose sum is σ = 461952. Its totient is φ = 307960.

The previous prime is 384941. The next prime is 384961. The reversal of 384955 is 559483.

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

It is not a de Polignac number, because 384955 - 2⁷ = 384827 is a prime.

It is a Duffinian number.

384955 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 384955.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38491 + ... + 38500.

It is an arithmetic number, because the mean of its divisors is an integer number (115488).

2³⁸⁴⁹⁵⁵ is an apocalyptic number.

384955 is a deficient number, since it is larger than the sum of its proper divisors (76997).

384955 is an equidigital number, since it uses as much as digits as its factorization.

384955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76996.

The product of its digits is 21600, while the sum is 34.

The square root of 384955 is about 620.4474192065. The cubic root of 384955 is about 72.7450290451.

The spelling of 384955 in words is "three hundred eighty-four thousand, nine hundred fifty-five".