6978285 has 16 divisors (see below), whose sum is σ = 12406080. Its totient is φ = 3721680.

The previous prime is 6978281. The next prime is 6978287. The reversal of 6978285 is 5828796.

It is not a de Polignac number, because 6978285 - 2² = 6978281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 6978285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6978281) 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, 25711 + ... + 25980.

It is an arithmetic number, because the mean of its divisors is an integer number (775380).

Almost surely, 2^6978285 is an apocalyptic number.

It is an amenable number.

6978285 is a deficient number, since it is larger than the sum of its proper divisors (5427795).

6978285 is a wasteful number, since it uses less digits than its factorization.

6978285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51705 (or 51699 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 6978285 is about 2641.6443742487. The cubic root of 6978285 is about 191.0951071895.

The spelling of 6978285 in words is "six million, nine hundred seventy-eight thousand, two hundred eighty-five".