6898944 has 72 divisors (see below), whose sum is σ = 19802272. Its totient is φ = 2119680.

The previous prime is 6898921. The next prime is 6898949. The reversal of 6898944 is 4498986.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 6898893 and 6898902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6898949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9639 + ... + 10329.

Almost surely, 2^6898944 is an apocalyptic number.

6898944 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6898944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9901136).

6898944 is an abundant number, since it is smaller than the sum of its proper divisors (12903328).

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

6898944 is a wasteful number, since it uses less digits than its factorization.

6898944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 709 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The square root of 6898944 is about 2626.5840934567. The cubic root of 6898944 is about 190.3681136726.

The spelling of 6898944 in words is "six million, eight hundred ninety-eight thousand, nine hundred forty-four".