6987024 has 90 divisors (see below), whose sum is σ = 21546798. Its totient is φ = 2112000.

The previous prime is 6986981. The next prime is 6987031. The reversal of 6987024 is 4207896.

It can be written as a sum of positive squares in only one way, i.e., 6969600 + 17424 = 2640^2 + 132^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 6987024.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17224 + ... + 17624.

Almost surely, 2^6987024 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 6987024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10773399).

6987024 is an abundant number, since it is smaller than the sum of its proper divisors (14559774).

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

6987024 is a wasteful number, since it uses less digits than its factorization.

6987024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 6987024 is about 2643.2979400741. The cubic root of 6987024 is about 191.1748442363.

The spelling of 6987024 in words is "six million, nine hundred eighty-seven thousand, twenty-four".