6321642 has 32 divisors (see below), whose sum is σ = 13893120. Its totient is φ = 1908720.

The previous prime is 6321611. The next prime is 6321643. The reversal of 6321642 is 2461236.

It is not an unprimeable number, because it can be changed into a prime (6321643) 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, 1417 + ... + 3827.

It is an arithmetic number, because the mean of its divisors is an integer number (434160).

Almost surely, 2^6321642 is an apocalyptic number.

6321642 is an abundant number, since it is smaller than the sum of its proper divisors (7571478).

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

6321642 is a wasteful number, since it uses less digits than its factorization.

6321642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458.

The product of its digits is 1728, while the sum is 24.

The square root of 6321642 is about 2514.2875730513. The cubic root of 6321642 is about 184.9027197342.

Adding to 6321642 its reverse (2461236), we get a palindrome (8782878).

The spelling of 6321642 in words is "six million, three hundred twenty-one thousand, six hundred forty-two".