6690914 has 4 divisors (see below), whose sum is σ = 10036374. Its totient is φ = 3345456.

The previous prime is 6690899. The next prime is 6690923. The reversal of 6690914 is 4190966.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6165289 + 525625 = 2483^2 + 725^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1672727 + ... + 1672730.

Almost surely, 2^6690914 is an apocalyptic number.

6690914 is a deficient number, since it is larger than the sum of its proper divisors (3345460).

6690914 is a wasteful number, since it uses less digits than its factorization.

6690914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345459.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 6690914 is about 2586.6801116489. The cubic root of 6690914 is about 188.4351058434.

The spelling of 6690914 in words is "six million, six hundred ninety thousand, nine hundred fourteen".