6000640 has 52 divisors (see below), whose sum is σ = 14448924. Its totient is φ = 2392064.

The previous prime is 6000619. The next prime is 6000641. The reversal of 6000640 is 460006.

It can be written as a sum of positive squares in 2 ways, for example, as 4194304 + 1806336 = 2048^2 + 1344^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (6000641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20334 + ... + 20626.

Almost surely, 2^6000640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6000640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7224462).

6000640 is an abundant number, since it is smaller than the sum of its proper divisors (8448284).

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

6000640 is an equidigital number, since it uses as much as digits as its factorization.

6000640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 6000640 is about 2449.6203787526. The cubic root of 6000640 is about 181.7185199267.

Adding to 6000640 its reverse (460006), we get a palindrome (6460646).

The spelling of 6000640 in words is "six million, six hundred forty", and thus it is an aban number.