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384841 is a prime number
BaseRepresentation
bin1011101111101001001
3201112220101
41131331021
544303331
612125401
73161662
oct1357511
9645811
10384841
11243156
12166861
13106222
14a0369
1579061
hex5df49

384841 has 2 divisors, whose sum is σ = 384842. Its totient is φ = 384840.

The previous prime is 384827. The next prime is 384847. The reversal of 384841 is 148483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 384400 + 441 = 620^2 + 21^2 .

It is an emirp because it is prime and its reverse (148483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 384841 - 215 = 352073 is a prime.

384841 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (384847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192420 + 192421.

It is an arithmetic number, because the mean of its divisors is an integer number (192421).

2384841 is an apocalyptic number.

It is an amenable number.

384841 is a deficient number, since it is larger than the sum of its proper divisors (1).

384841 is an equidigital number, since it uses as much as digits as its factorization.

384841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 28.

The square root of 384841 is about 620.3555432170. The cubic root of 384841 is about 72.7378474680.

It can be divided in two parts, 384 and 841, that added together give a triangular number (1225 = T49).

The spelling of 384841 in words is "three hundred eighty-four thousand, eight hundred forty-one".