6987966 has 16 divisors (see below), whose sum is σ = 14185344. Its totient is φ = 2294424.

The previous prime is 6987949. The next prime is 6987971. The reversal of 6987966 is 6697896.

It is a happy number.

It is a Curzon number.

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, 8290 + ... + 9093.

It is an arithmetic number, because the mean of its divisors is an integer number (886584).

Almost surely, 2^6987966 is an apocalyptic number.

6987966 is an abundant number, since it is smaller than the sum of its proper divisors (7197378).

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

6987966 is a wasteful number, since it uses less digits than its factorization.

6987966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17455.

The product of its digits is 979776, while the sum is 51.

The square root of 6987966 is about 2643.4761205655. The cubic root of 6987966 is about 191.1834353337.

The spelling of 6987966 in words is "six million, nine hundred eighty-seven thousand, nine hundred sixty-six".