6888240 has 100 divisors (see below), whose sum is σ = 23946384. Its totient is φ = 1835136.

The previous prime is 6888229. The next prime is 6888257. The reversal of 6888240 is 428886.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6888195 and 6888204.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5949 + ... + 7011.

Almost surely, 2^6888240 is an apocalyptic number.

6888240 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 6888240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11973192).

6888240 is an abundant number, since it is smaller than the sum of its proper divisors (17058144).

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

6888240 is a wasteful number, since it uses less digits than its factorization.

6888240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088 (or 1073 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 6888240 is about 2624.5456749693. The cubic root of 6888240 is about 190.2696080145.

The spelling of 6888240 in words is "six million, eight hundred eighty-eight thousand, two hundred forty".