6698880 has 96 divisors (see below), whose sum is σ = 23151960. Its totient is φ = 1784832.

The previous prime is 6698831. The next prime is 6698897. The reversal of 6698880 is 888966.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5179 + ... + 6341.

Almost surely, 2^6698880 is an apocalyptic number.

6698880 is a gapful number since it is divisible by the number (60) 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 6698880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11575980).

6698880 is an abundant number, since it is smaller than the sum of its proper divisors (16453080).

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

6698880 is a wasteful number, since it uses less digits than its factorization.

6698880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188 (or 1173 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 6698880 is about 2588.2194651922. The cubic root of 6698880 is about 188.5098578995.

The spelling of 6698880 in words is "six million, six hundred ninety-eight thousand, eight hundred eighty".