6998000 has 40 divisors (see below), whose sum is σ = 16926000. Its totient is φ = 2798400.

The previous prime is 6997967. The next prime is 6998009. The reversal of 6998000 is 8996.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6998009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251 + ... + 3749.

It is an arithmetic number, because the mean of its divisors is an integer number (423150).

Almost surely, 2^6998000 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 6998000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8463000).

6998000 is an abundant number, since it is smaller than the sum of its proper divisors (9928000).

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

6998000 is a wasteful number, since it uses less digits than its factorization.

6998000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522 (or 3506 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 6998000 is about 2645.3733195903. The cubic root of 6998000 is about 191.2748981497.

The spelling of 6998000 in words is "six million, nine hundred ninety-eight thousand".