382021 has 2 divisors, whose sum is σ = 382022. Its totient is φ = 382020.

The previous prime is 382003. The next prime is 382037. The reversal of 382021 is 120283.

It is a happy number.

It is an a-pointer prime, because the next prime (382037) can be obtained adding 382021 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 324900 + 57121 = 570^2 + 239^2 .

It is an emirp because it is prime and its reverse (120283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 382021 - 2⁵ = 381989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 381986 and 382004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (382001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191010 + 191011.

It is an arithmetic number, because the mean of its divisors is an integer number (191011).

2³⁸²⁰²¹ is an apocalyptic number.

It is an amenable number.

382021 is a deficient number, since it is larger than the sum of its proper divisors (1).

382021 is an equidigital number, since it uses as much as digits as its factorization.

382021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 382021 is about 618.0784739821. The cubic root of 382021 is about 72.5597446492.

The spelling of 382021 in words is "three hundred eighty-two thousand, twenty-one".