6209988 has 12 divisors (see below), whose sum is σ = 14490000. Its totient is φ = 2069992.

The previous prime is 6209971. The next prime is 6209989. The reversal of 6209988 is 8899026.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6209989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258738 + ... + 258761.

It is an arithmetic number, because the mean of its divisors is an integer number (1207500).

Almost surely, 2^6209988 is an apocalyptic number.

It is an amenable number.

6209988 is an abundant number, since it is smaller than the sum of its proper divisors (8280012).

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

6209988 is a wasteful number, since it uses less digits than its factorization.

6209988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517506 (or 517504 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 6209988 is about 2491.9847511572. The cubic root of 6209988 is about 183.8076518621.

The spelling of 6209988 in words is "six million, two hundred nine thousand, nine hundred eighty-eight".