384957 has 6 divisors (see below), whose sum is σ = 556062. Its totient is φ = 256632.

The previous prime is 384941. The next prime is 384961. The reversal of 384957 is 759483.

It can be written as a sum of positive squares in only one way, i.e., 251001 + 133956 = 501^2 + 366^2 .

It is not a de Polignac number, because 384957 - 2⁴ = 384941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21378 + ... + 21395.

It is an arithmetic number, because the mean of its divisors is an integer number (92677).

2³⁸⁴⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

384957 is a deficient number, since it is larger than the sum of its proper divisors (171105).

384957 is a wasteful number, since it uses less digits than its factorization.

384957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42779 (or 42776 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 384957 is about 620.4490309445. The cubic root of 384957 is about 72.7451550251.

The spelling of 384957 in words is "three hundred eighty-four thousand, nine hundred fifty-seven".