6988653 has 32 divisors (see below), whose sum is σ = 11980800. Its totient is φ = 3943728.

The previous prime is 6988643. The next prime is 6988669. The reversal of 6988653 is 3568896.

It is not a de Polignac number, because 6988653 - 2⁵ = 6988621 is a prime.

6988653 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6988599 and 6988608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6988603) 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 31 ways as a sum of consecutive naturals, for example, 19288 + ... + 19646.

It is an arithmetic number, because the mean of its divisors is an integer number (374400).

Almost surely, 2^6988653 is an apocalyptic number.

6988653 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

6988653 is a deficient number, since it is larger than the sum of its proper divisors (4992147).

6988653 is a wasteful number, since it uses less digits than its factorization.

6988653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 472 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 6988653 is about 2643.6060599113. The cubic root of 6988653 is about 191.1897003287.

The spelling of 6988653 in words is "six million, nine hundred eighty-eight thousand, six hundred fifty-three".