6861288 has 32 divisors (see below), whose sum is σ = 19604160. Its totient is φ = 1960320.

The previous prime is 6861271. The next prime is 6861307. The reversal of 6861288 is 8821686.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20253 + ... + 20588.

It is an arithmetic number, because the mean of its divisors is an integer number (612630).

Almost surely, 2^6861288 is an apocalyptic number.

It is an amenable number.

6861288 is an abundant number, since it is smaller than the sum of its proper divisors (12742872).

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

6861288 is a wasteful number, since it uses less digits than its factorization.

6861288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40857 (or 40853 counting only the distinct ones).

The product of its digits is 36864, while the sum is 39.

The square root of 6861288 is about 2619.4060395441. The cubic root of 6861288 is about 190.0211241518.

The spelling of 6861288 in words is "six million, eight hundred sixty-one thousand, two hundred eighty-eight".