6822864 has 30 divisors (see below), whose sum is σ = 19094946. Its totient is φ = 2274240.

The previous prime is 6822839. The next prime is 6822889. The reversal of 6822864 is 4682286.

It is an interprime number because it is at equal distance from previous prime (6822839) and next prime (6822889).

It can be written as a sum of positive squares in only one way, i.e., 6656400 + 166464 = 2580^2 + 408^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23547 + ... + 23834.

Almost surely, 2^6822864 is an apocalyptic number.

It is an amenable number.

6822864 is an abundant number, since it is smaller than the sum of its proper divisors (12272082).

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

6822864 is a wasteful number, since it uses less digits than its factorization.

6822864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47395 (or 47386 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 6822864 is about 2612.0612550245. The cubic root of 6822864 is about 189.6657465733.

The spelling of 6822864 in words is "six million, eight hundred twenty-two thousand, eight hundred sixty-four".