6891030 has 48 divisors (see below), whose sum is σ = 18701280. Its totient is φ = 1757184.

The previous prime is 6891029. The next prime is 6891041. The reversal of 6891030 is 301986.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6890985 and 6891003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 406 + ... + 3734.

It is an arithmetic number, because the mean of its divisors is an integer number (389610).

Almost surely, 2^6891030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6891030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9350640).

6891030 is an abundant number, since it is smaller than the sum of its proper divisors (11810250).

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

6891030 is a wasteful number, since it uses less digits than its factorization.

6891030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365 (or 3362 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 6891030 is about 2625.0771417236. The cubic root of 6891030 is about 190.2952933637.

The spelling of 6891030 in words is "six million, eight hundred ninety-one thousand, thirty".