6890986 has 4 divisors (see below), whose sum is σ = 10336482. Its totient is φ = 3445492.

The previous prime is 6890969. The next prime is 6891011.

It is a happy number.

6890986 is nontrivially palindromic in base 10.

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., 6890625 + 361 = 2625^2 + 19^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1722745 + ... + 1722748.

Almost surely, 2^6890986 is an apocalyptic number.

6890986 is a deficient number, since it is larger than the sum of its proper divisors (3445496).

6890986 is a wasteful number, since it uses less digits than its factorization.

6890986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3445495.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 6890986 is about 2625.0687610042. The cubic root of 6890986 is about 190.2948883439.

The spelling of 6890986 in words is "six million, eight hundred ninety thousand, nine hundred eighty-six".