6488740 has 12 divisors (see below), whose sum is σ = 13626396. Its totient is φ = 2595488.

The previous prime is 6488719. The next prime is 6488767. The reversal of 6488740 is 478846.

It can be written as a sum of positive squares in 2 ways, for example, as 4946176 + 1542564 = 2224^2 + 1242^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6488740.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162199 + ... + 162238.

It is an arithmetic number, because the mean of its divisors is an integer number (1135533).

Almost surely, 2^6488740 is an apocalyptic number.

It is an amenable number.

6488740 is an abundant number, since it is smaller than the sum of its proper divisors (7137656).

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

6488740 is a wasteful number, since it uses less digits than its factorization.

6488740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324446 (or 324444 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 6488740 is about 2547.3005319357. The cubic root of 6488740 is about 186.5177312575.

It can be divided in two parts, 64 and 88740, that added together give a square (88804 = 298²).

The spelling of 6488740 in words is "six million, four hundred eighty-eight thousand, seven hundred forty".