6840924 has 12 divisors (see below), whose sum is σ = 15962184. Its totient is φ = 2280304.

The previous prime is 6840871. The next prime is 6840929. The reversal of 6840924 is 4290486.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6840929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285027 + ... + 285050.

It is an arithmetic number, because the mean of its divisors is an integer number (1330182).

Almost surely, 2^6840924 is an apocalyptic number.

It is an amenable number.

6840924 is an abundant number, since it is smaller than the sum of its proper divisors (9121260).

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

6840924 is a wasteful number, since it uses less digits than its factorization.

6840924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570084 (or 570082 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 6840924 is about 2615.5160102741. The cubic root of 6840924 is about 189.8329464241.

The spelling of 6840924 in words is "six million, eight hundred forty thousand, nine hundred twenty-four".