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384289 is a prime number
BaseRepresentation
bin1011101110100100001
3201112010221
41131310201
544244124
612123041
73160243
oct1356441
9645127
10384289
112427a4
12166481
13105bb9
14a0093
1578ce4
hex5dd21

384289 has 2 divisors, whose sum is σ = 384290. Its totient is φ = 384288.

The previous prime is 384287. The next prime is 384299. The reversal of 384289 is 982483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 380689 + 3600 = 617^2 + 60^2 .

It is a cyclic number.

It is not a de Polignac number, because 384289 - 21 = 384287 is a prime.

Together with 384287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (384287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192144 + 192145.

It is an arithmetic number, because the mean of its divisors is an integer number (192145).

2384289 is an apocalyptic number.

It is an amenable number.

384289 is a deficient number, since it is larger than the sum of its proper divisors (1).

384289 is an equidigital number, since it uses as much as digits as its factorization.

384289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 34.

The square root of 384289 is about 619.9104774078. The cubic root of 384289 is about 72.7030534412.

The spelling of 384289 in words is "three hundred eighty-four thousand, two hundred eighty-nine".