6891048 has 64 divisors (see below), whose sum is σ = 19492800. Its totient is φ = 2255040.

The previous prime is 6891041. The next prime is 6891061. The reversal of 6891048 is 8401986.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6891041) 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, 12915 + ... + 13437.

It is an arithmetic number, because the mean of its divisors is an integer number (304575).

Almost surely, 2^6891048 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 6891048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9746400).

6891048 is an abundant number, since it is smaller than the sum of its proper divisors (12601752).

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

6891048 is a wasteful number, since it uses less digits than its factorization.

6891048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599 (or 589 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 6891048 is about 2625.0805701921. The cubic root of 6891048 is about 190.2954590532.

The spelling of 6891048 in words is "six million, eight hundred ninety-one thousand, forty-eight".