6880989 has 16 divisors (see below), whose sum is σ = 9624384. Its totient is φ = 4368000.

The previous prime is 6880963. The next prime is 6880997. The reversal of 6880989 is 9890886.

It is not a de Polignac number, because 6880989 - 2⁹ = 6880477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6880589) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4639 + ... + 5939.

It is an arithmetic number, because the mean of its divisors is an integer number (601524).

Almost surely, 2^6880989 is an apocalyptic number.

It is an amenable number.

6880989 is a deficient number, since it is larger than the sum of its proper divisors (2743395).

6880989 is a wasteful number, since it uses less digits than its factorization.

6880989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388.

The product of its (nonzero) digits is 248832, while the sum is 48.

The square root of 6880989 is about 2623.1639293037. The cubic root of 6880989 is about 190.2028212730.

The spelling of 6880989 in words is "six million, eight hundred eighty thousand, nine hundred eighty-nine".