6629880 has 32 divisors (see below), whose sum is σ = 19890000. Its totient is φ = 1767936.

The previous prime is 6629873. The next prime is 6629891. The reversal of 6629880 is 889266.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27505 + ... + 27744.

Almost surely, 2^6629880 is an apocalyptic number.

6629880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6629880 is an abundant number, since it is smaller than the sum of its proper divisors (13260120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6629880 is a wasteful number, since it uses less digits than its factorization.

6629880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55263 (or 55259 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 6629880 is about 2574.8553357422. The cubic root of 6629880 is about 187.8603912972.

The spelling of 6629880 in words is "six million, six hundred twenty-nine thousand, eight hundred eighty".