6880621 has 8 divisors (see below), whose sum is σ = 7526304. Its totient is φ = 6238320.

The previous prime is 6880613. The next prime is 6880633. The reversal of 6880621 is 1260886.

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

It is not a de Polignac number, because 6880621 - 2³ = 6880613 is a prime.

It is a Duffinian number.

6880621 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6880651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5566 + ... + 6688.

It is an arithmetic number, because the mean of its divisors is an integer number (940788).

Almost surely, 2^6880621 is an apocalyptic number.

It is an amenable number.

6880621 is a deficient number, since it is larger than the sum of its proper divisors (645683).

6880621 is a wasteful number, since it uses less digits than its factorization.

6880621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 6880621 is about 2623.0937840649. The cubic root of 6880621 is about 190.1994304869.

The spelling of 6880621 in words is "six million, eight hundred eighty thousand, six hundred twenty-one".