6140321 has 8 divisors (see below), whose sum is σ = 6809088. Its totient is φ = 5490000.

The previous prime is 6140291. The next prime is 6140339. The reversal of 6140321 is 1230416.

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

It is not a de Polignac number, because 6140321 - 2¹⁰ = 6139297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6140321.

It is not an unprimeable number, because it can be changed into a prime (6140521) 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, 3905 + ... + 5246.

It is an arithmetic number, because the mean of its divisors is an integer number (851136).

Almost surely, 2^6140321 is an apocalyptic number.

6140321 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6140321 is a deficient number, since it is larger than the sum of its proper divisors (668767).

6140321 is a wasteful number, since it uses less digits than its factorization.

6140321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9223.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 6140321 is about 2477.9671103548. The cubic root of 6140321 is about 183.1177141855.

Adding to 6140321 its reverse (1230416), we get a palindrome (7370737).

The spelling of 6140321 in words is "six million, one hundred forty thousand, three hundred twenty-one".