6690966 has 16 divisors (see below), whose sum is σ = 13409904. Its totient is φ = 2225664.

The previous prime is 6690949. The next prime is 6690973.

6690966 is nontrivially palindromic in base 10.

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, 3210 + ... + 4866.

It is an arithmetic number, because the mean of its divisors is an integer number (838119).

Almost surely, 2^6690966 is an apocalyptic number.

6690966 is an abundant number, since it is smaller than the sum of its proper divisors (6718938).

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

6690966 is a wasteful number, since it uses less digits than its factorization.

6690966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2335.

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 6690966 is about 2586.6901631235. The cubic root of 6690966 is about 188.4355939979.

The spelling of 6690966 in words is "six million, six hundred ninety thousand, nine hundred sixty-six".