6864340 has 24 divisors (see below), whose sum is σ = 16474752. Its totient is φ = 2353440.

The previous prime is 6864331. The next prime is 6864383. The reversal of 6864340 is 434686.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24376 + ... + 24655.

It is an arithmetic number, because the mean of its divisors is an integer number (686448).

Almost surely, 2^6864340 is an apocalyptic number.

It is an amenable number.

6864340 is an abundant number, since it is smaller than the sum of its proper divisors (9610412).

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

6864340 is a wasteful number, since it uses less digits than its factorization.

6864340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49047 (or 49045 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 6864340 is about 2619.9885495933. The cubic root of 6864340 is about 190.0492946888.

The spelling of 6864340 in words is "six million, eight hundred sixty-four thousand, three hundred forty".