6689002 has 4 divisors (see below), whose sum is σ = 10033506. Its totient is φ = 3344500.

The previous prime is 6688999. The next prime is 6689029. The reversal of 6689002 is 2009866.

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., 6610041 + 78961 = 2571^2 + 281^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1672249 + ... + 1672252.

Almost surely, 2^6689002 is an apocalyptic number.

6689002 is a deficient number, since it is larger than the sum of its proper divisors (3344504).

6689002 is a wasteful number, since it uses less digits than its factorization.

6689002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3344503.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 6689002 is about 2586.3104995340. The cubic root of 6689002 is about 188.4171550200.

The spelling of 6689002 in words is "six million, six hundred eighty-nine thousand, two".