6989424 has 80 divisors (see below), whose sum is σ = 20332032. Its totient is φ = 2052864.

The previous prime is 6989419. The next prime is 6989429. The reversal of 6989424 is 4249896.

It is an interprime number because it is at equal distance from previous prime (6989419) and next prime (6989429).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6989429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14109 + ... + 14595.

Almost surely, 2^6989424 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 6989424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10166016).

6989424 is an abundant number, since it is smaller than the sum of its proper divisors (13342608).

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

6989424 is a wasteful number, since it uses less digits than its factorization.

6989424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 528 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 6989424 is about 2643.7518794320. The cubic root of 6989424 is about 191.1967308603.

It can be divided in two parts, 69 and 89424, that multiplied together give a square (6170256 = 2484²).

The spelling of 6989424 in words is "six million, nine hundred eighty-nine thousand, four hundred twenty-four".