6885994 has 8 divisors (see below), whose sum is σ = 10420740. Its totient is φ = 3412416.

The previous prime is 6885973. The next prime is 6886027. The reversal of 6885994 is 4995886.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6225025 + 660969 = 2495^2 + 813^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15009 + ... + 15460.

Almost surely, 2^6885994 is an apocalyptic number.

6885994 is a deficient number, since it is larger than the sum of its proper divisors (3534746).

6885994 is a wasteful number, since it uses less digits than its factorization.

6885994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30584.

The product of its digits is 622080, while the sum is 49.

The square root of 6885994 is about 2624.1177565041. The cubic root of 6885994 is about 190.2489258085.

It can be divided in two parts, 68859 and 94, that multiplied together give a palindrome (6472746).

The spelling of 6885994 in words is "six million, eight hundred eighty-five thousand, nine hundred ninety-four".