6630380 has 12 divisors (see below), whose sum is σ = 13923840. Its totient is φ = 2652144.

The previous prime is 6630367. The next prime is 6630409. The reversal of 6630380 is 830366.

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, 165740 + ... + 165779.

It is an arithmetic number, because the mean of its divisors is an integer number (1160320).

Almost surely, 2^6630380 is an apocalyptic number.

It is an amenable number.

6630380 is an abundant number, since it is smaller than the sum of its proper divisors (7293460).

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

6630380 is a wasteful number, since it uses less digits than its factorization.

6630380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331528 (or 331526 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 6630380 is about 2574.9524267450. The cubic root of 6630380 is about 187.8651137474.

The spelling of 6630380 in words is "six million, six hundred thirty thousand, three hundred eighty".