6679490 has 8 divisors (see below), whose sum is σ = 12023100. Its totient is φ = 2671792.

The previous prime is 6679481. The next prime is 6679513. The reversal of 6679490 is 949766.

It can be written as a sum of positive squares in 2 ways, for example, as 6405961 + 273529 = 2531^2 + 523^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333965 + ... + 333984.

Almost surely, 2^6679490 is an apocalyptic number.

6679490 is a deficient number, since it is larger than the sum of its proper divisors (5343610).

6679490 is a wasteful number, since it uses less digits than its factorization.

6679490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667956.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 6679490 is about 2584.4709323186. The cubic root of 6679490 is about 188.3278006746.

It can be divided in two parts, 6 and 679490, that multiplied together give a triangular number (4076940 = T₂₈₅₅).

The spelling of 6679490 in words is "six million, six hundred seventy-nine thousand, four hundred ninety".