382421 has 8 divisors (see below), whose sum is σ = 430080. Its totient is φ = 337392.

The previous prime is 382391. The next prime is 382427. The reversal of 382421 is 124283.

382421 is nontrivially palindromic in base 16.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 382421 - 2⁶ = 382357 is a prime.

It is a Duffinian number.

382421 is an undulating number in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 382393 and 382402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341 + ... + 938.

It is an arithmetic number, because the mean of its divisors is an integer number (53760).

2³⁸²⁴²¹ is an apocalyptic number.

It is an amenable number.

382421 is a deficient number, since it is larger than the sum of its proper divisors (47659).

382421 is a wasteful number, since it uses less digits than its factorization.

382421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315.

The product of its digits is 384, while the sum is 20.

The square root of 382421 is about 618.4019728300. The cubic root of 382421 is about 72.5850606866.

The spelling of 382421 in words is "three hundred eighty-two thousand, four hundred twenty-one".