6925989 has 16 divisors (see below), whose sum is σ = 10895360. Its totient is φ = 3829680.

The previous prime is 6925973. The next prime is 6925999. The reversal of 6925989 is 9895296.

It is not a de Polignac number, because 6925989 - 2⁴ = 6925973 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6925909) 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 15 ways as a sum of consecutive naturals, for example, 4669 + ... + 5970.

It is an arithmetic number, because the mean of its divisors is an integer number (680960).

Almost surely, 2^6925989 is an apocalyptic number.

It is an amenable number.

6925989 is a deficient number, since it is larger than the sum of its proper divisors (3969371).

6925989 is a wasteful number, since it uses less digits than its factorization.

6925989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10680.

The product of its digits is 349920, while the sum is 48.

The square root of 6925989 is about 2631.7273794981. The cubic root of 6925989 is about 190.6165474708.

The spelling of 6925989 in words is "six million, nine hundred twenty-five thousand, nine hundred eighty-nine".