6824240 has 20 divisors (see below), whose sum is σ = 15866544. Its totient is φ = 2729664.

The previous prime is 6824219. The next prime is 6824269. The reversal of 6824240 is 424286.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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, 42572 + ... + 42731.

Almost surely, 2^6824240 is an apocalyptic number.

It is an amenable number.

6824240 is an abundant number, since it is smaller than the sum of its proper divisors (9042304).

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

6824240 is a wasteful number, since it uses less digits than its factorization.

6824240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85316 (or 85310 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 6824240 is about 2612.3246352626. The cubic root of 6824240 is about 189.6784959860.

The spelling of 6824240 in words is "six million, eight hundred twenty-four thousand, two hundred forty".