6840164 has 12 divisors (see below), whose sum is σ = 12149424. Its totient is φ = 3368904.

The previous prime is 6840161. The next prime is 6840167. The reversal of 6840164 is 4610486.

It is an interprime number because it is at equal distance from previous prime (6840161) and next prime (6840167).

It is not an unprimeable number, because it can be changed into a prime (6840161) 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, 12494 + ... + 13029.

It is an arithmetic number, because the mean of its divisors is an integer number (1012452).

Almost surely, 2^6840164 is an apocalyptic number.

It is an amenable number.

6840164 is a deficient number, since it is larger than the sum of its proper divisors (5309260).

6840164 is a wasteful number, since it uses less digits than its factorization.

6840164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25594 (or 25592 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 6840164 is about 2615.3707194201. The cubic root of 6840164 is about 189.8259162635.

The spelling of 6840164 in words is "six million, eight hundred forty thousand, one hundred sixty-four".