6654340 has 96 divisors (see below), whose sum is σ = 18144000. Its totient is φ = 1989120.

The previous prime is 6654331. The next prime is 6654353. The reversal of 6654340 is 434566.

It is a super-3 number, since 3×6654340³ (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 6654299 and 6654308.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44586 + ... + 44734.

It is an arithmetic number, because the mean of its divisors is an integer number (189000).

Almost surely, 2^6654340 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 6654340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9072000).

6654340 is an abundant number, since it is smaller than the sum of its proper divisors (11489660).

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

6654340 is a wasteful number, since it uses less digits than its factorization.

6654340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 6654340 is about 2579.6007443013. The cubic root of 6654340 is about 188.0911358345.

It can be divided in two parts, 665 and 4340, that added together give a palindrome (5005).

The spelling of 6654340 in words is "six million, six hundred fifty-four thousand, three hundred forty".