6633420 has 24 divisors (see below), whose sum is σ = 18573744. Its totient is φ = 1768896.

The previous prime is 6633391. The next prime is 6633421. The reversal of 6633420 is 243366.

It is not an unprimeable number, because it can be changed into a prime (6633421) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 55219 + ... + 55338.

It is an arithmetic number, because the mean of its divisors is an integer number (773906).

Almost surely, 2^6633420 is an apocalyptic number.

6633420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6633420 is an abundant number, since it is smaller than the sum of its proper divisors (11940324).

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

6633420 is a wasteful number, since it uses less digits than its factorization.

6633420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110569 (or 110567 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 6633420 is about 2575.5426612658. The cubic root of 6633420 is about 187.8938211360.

Adding to 6633420 its reverse (243366), we get a palindrome (6876786).

The spelling of 6633420 in words is "six million, six hundred thirty-three thousand, four hundred twenty".