6842247 has 16 divisors (see below), whose sum is σ = 9704448. Its totient is φ = 4278560.

The previous prime is 6842243. The next prime is 6842249. The reversal of 6842247 is 7422486.

It is a cyclic number.

It is not a de Polignac number, because 6842247 - 2² = 6842243 is a prime.

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

It is a d-powerful number, because it can be written as 6⁷ + 8³ + 4⁹ + 2¹³ + 2²¹ + 4¹¹ + 7 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6842243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2722 + ... + 4592.

It is an arithmetic number, because the mean of its divisors is an integer number (606528).

Almost surely, 2^6842247 is an apocalyptic number.

6842247 is a deficient number, since it is larger than the sum of its proper divisors (2862201).

6842247 is a wasteful number, since it uses less digits than its factorization.

6842247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950.

The product of its digits is 21504, while the sum is 33.

The square root of 6842247 is about 2615.7689118116. The cubic root of 6842247 is about 189.8451832116.

The spelling of 6842247 in words is "six million, eight hundred forty-two thousand, two hundred forty-seven".