6322140 has 144 divisors (see below), whose sum is σ = 21805056. Its totient is φ = 1468800.

The previous prime is 6322123. The next prime is 6322163. The reversal of 6322140 is 412236.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 61329 + ... + 61431.

It is an arithmetic number, because the mean of its divisors is an integer number (151424).

Almost surely, 2^6322140 is an apocalyptic number.

6322140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6322140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10902528).

6322140 is an abundant number, since it is smaller than the sum of its proper divisors (15482916).

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

6322140 is a wasteful number, since it uses less digits than its factorization.

6322140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 6322140 is about 2514.3866051186. The cubic root of 6322140 is about 184.9075749673.

Adding to 6322140 its reverse (412236), we get a palindrome (6734376).

It can be divided in two parts, 632 and 2140, that added together give a palindrome (2772).

The spelling of 6322140 in words is "six million, three hundred twenty-two thousand, one hundred forty".