382861 has 2 divisors, whose sum is σ = 382862. Its totient is φ = 382860.

The previous prime is 382847. The next prime is 382867. The reversal of 382861 is 168283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 367236 + 15625 = 606^2 + 125^2 .

It is a cyclic number.

It is not a de Polignac number, because 382861 - 2¹³ = 374669 is a prime.

382861 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (382867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191430 + 191431.

It is an arithmetic number, because the mean of its divisors is an integer number (191431).

2³⁸²⁸⁶¹ is an apocalyptic number.

It is an amenable number.

382861 is a deficient number, since it is larger than the sum of its proper divisors (1).

382861 is an equidigital number, since it uses as much as digits as its factorization.

382861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 28.

The square root of 382861 is about 618.7576262156. The cubic root of 382861 is about 72.6128879467.

The spelling of 382861 in words is "three hundred eighty-two thousand, eight hundred sixty-one".