6179640 has 64 divisors (see below), whose sum is σ = 19353600. Its totient is φ = 1575552.

The previous prime is 6179623. The next prime is 6179647. The reversal of 6179640 is 469716.

It is a happy number.

6179640 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6179647) 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, 1641 + ... + 3879.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

Almost surely, 2^6179640 is an apocalyptic number.

6179640 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 6179640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9676800).

6179640 is an abundant number, since it is smaller than the sum of its proper divisors (13173960).

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

6179640 is a wasteful number, since it uses less digits than its factorization.

6179640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276 (or 2272 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 6179640 is about 2485.8881712579. Note that the first 3 decimals coincide. The cubic root of 6179640 is about 183.5077422012.

The spelling of 6179640 in words is "six million, one hundred seventy-nine thousand, six hundred forty".