6635460 has 96 divisors (see below), whose sum is σ = 20547072. Its totient is φ = 1589760.

The previous prime is 6635407. The next prime is 6635467. The reversal of 6635460 is 645366.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6635467) 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 31 ways as a sum of consecutive naturals, for example, 36570 + ... + 36750.

It is an arithmetic number, because the mean of its divisors is an integer number (214032).

Almost surely, 2^6635460 is an apocalyptic number.

6635460 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 6635460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10273536).

6635460 is an abundant number, since it is smaller than the sum of its proper divisors (13911612).

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

6635460 is a wasteful number, since it uses less digits than its factorization.

6635460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 6635460 is about 2575.9386638660. The cubic root of 6635460 is about 187.9130803873.

The spelling of 6635460 in words is "six million, six hundred thirty-five thousand, four hundred sixty".