6920247 has 8 divisors (see below), whose sum is σ = 9244800. Its totient is φ = 4604600.

The previous prime is 6920227. The next prime is 6920257. The reversal of 6920247 is 7420296.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6920247 - 2¹⁰ = 6919223 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6920227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129 + ... + 3722.

It is an arithmetic number, because the mean of its divisors is an integer number (1155600).

Almost surely, 2^6920247 is an apocalyptic number.

6920247 is a deficient number, since it is larger than the sum of its proper divisors (2324553).

6920247 is a wasteful number, since it uses less digits than its factorization.

6920247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4453.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 6920247 is about 2630.6362348299. The cubic root of 6920247 is about 190.5638559430.

The spelling of 6920247 in words is "six million, nine hundred twenty thousand, two hundred forty-seven".