6989788 has 24 divisors (see below), whose sum is σ = 13949712. Its totient is φ = 3035904.

The previous prime is 6989761. The next prime is 6989791. The reversal of 6989788 is 8879896.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3070 + ... + 4837.

It is an arithmetic number, because the mean of its divisors is an integer number (581238).

Almost surely, 2^6989788 is an apocalyptic number.

6989788 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6989788 is a deficient number, since it is larger than the sum of its proper divisors (6959924).

6989788 is a wasteful number, since it uses less digits than its factorization.

6989788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7941 (or 7939 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 55.

The square root of 6989788 is about 2643.8207200943. The cubic root of 6989788 is about 191.2000498941.

It can be divided in two parts, 6989 and 788, that added together give a palindrome (7777).

The spelling of 6989788 in words is "six million, nine hundred eighty-nine thousand, seven hundred eighty-eight".