982421 has 16 divisors (see below), whose sum is σ = 1148928. Its totient is φ = 831600.

The previous prime is 982403. The next prime is 982453. The reversal of 982421 is 124289.

It is not a de Polignac number, because 982421 - 2¹⁰ = 981397 is a prime.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (982021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14630 + ... + 14696.

It is an arithmetic number, because the mean of its divisors is an integer number (71808).

2⁹⁸²⁴²¹ is an apocalyptic number.

It is an amenable number.

982421 is a deficient number, since it is larger than the sum of its proper divisors (166507).

982421 is a wasteful number, since it uses less digits than its factorization.

982421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152.

The product of its digits is 1152, while the sum is 26.

The square root of 982421 is about 991.1715290503. The cubic root of 982421 is about 99.4105658333.

The spelling of 982421 in words is "nine hundred eighty-two thousand, four hundred twenty-one".