6421352 has 24 divisors (see below), whose sum is σ = 14006610. Its totient is φ = 2751840.

The previous prime is 6421351. The next prime is 6421361. The reversal of 6421352 is 2531246.

It can be written as a sum of positive squares in only one way, i.e., 6421156 + 196 = 2534^2 + 14^2 .

It is not an unprimeable number, because it can be changed into a prime (6421351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7799 + ... + 8582.

Almost surely, 2^6421352 is an apocalyptic number.

It is an amenable number.

6421352 is an abundant number, since it is smaller than the sum of its proper divisors (7585258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6421352 is a wasteful number, since it uses less digits than its factorization.

6421352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16401 (or 16390 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 6421352 is about 2534.0386737380. The cubic root of 6421352 is about 185.8697974969.

Adding to 6421352 its reverse (2531246), we get a palindrome (8952598).

The spelling of 6421352 in words is "six million, four hundred twenty-one thousand, three hundred fifty-two".