6678290 has 8 divisors (see below), whose sum is σ = 12020940. Its totient is φ = 2671312.

The previous prime is 6678289. The next prime is 6678313. The reversal of 6678290 is 928766.

It can be written as a sum of positive squares in 2 ways, for example, as 6345361 + 332929 = 2519^2 + 577^2 .

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

It is a super-3 number, since 3×6678290³ (a number of 21 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333905 + ... + 333924.

Almost surely, 2^6678290 is an apocalyptic number.

6678290 is a deficient number, since it is larger than the sum of its proper divisors (5342650).

6678290 is a wasteful number, since it uses less digits than its factorization.

6678290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667836.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 6678290 is about 2584.2387660586. The cubic root of 6678290 is about 188.3165220243.

The spelling of 6678290 in words is "six million, six hundred seventy-eight thousand, two hundred ninety".