6947808 has 96 divisors (see below), whose sum is σ = 21369600. Its totient is φ = 1975680.

The previous prime is 6947803. The next prime is 6947821. The reversal of 6947808 is 8087496.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a d-powerful number, because it can be written as 6⁴ + 9⁷ + 4⁸ + 7³ + 8³ + 0 + 8⁷ .

It is a nialpdrome in base 14.

It is a zygodrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 6947808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6947803) 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, 32823 + ... + 33033.

It is an arithmetic number, because the mean of its divisors is an integer number (222600).

Almost surely, 2^6947808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6947808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10684800).

6947808 is an abundant number, since it is smaller than the sum of its proper divisors (14421792).

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

6947808 is a wasteful number, since it uses less digits than its factorization.

6947808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 6947808 is about 2635.8694960108. The cubic root of 6947808 is about 190.8165046001.

The spelling of 6947808 in words is "six million, nine hundred forty-seven thousand, eight hundred eight".