6634980 has 96 divisors (see below), whose sum is σ = 22538880. Its totient is φ = 1607040.

The previous prime is 6634967. The next prime is 6635003. The reversal of 6634980 is 894366.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 31 ways as a sum of consecutive naturals, for example, 5382 + ... + 6498.

It is an arithmetic number, because the mean of its divisors is an integer number (234780).

Almost surely, 2^6634980 is an apocalyptic number.

6634980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6634980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11269440).

6634980 is an abundant number, since it is smaller than the sum of its proper divisors (15903900).

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

6634980 is a wasteful number, since it uses less digits than its factorization.

6634980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 6634980 is about 2575.8454922607. The cubic root of 6634980 is about 187.9085491539.

The spelling of 6634980 in words is "six million, six hundred thirty-four thousand, nine hundred eighty".