6630500 has 48 divisors (see below), whose sum is σ = 14742000. Its totient is φ = 2604800.

The previous prime is 6630499. The next prime is 6630523. The reversal of 6630500 is 50366.

It can be written as a sum of positive squares in 8 ways, for example, as 4631104 + 1999396 = 2152^2 + 1414^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44426 + ... + 44574.

It is an arithmetic number, because the mean of its divisors is an integer number (307125).

Almost surely, 2^6630500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6630500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7371000).

6630500 is an abundant number, since it is smaller than the sum of its proper divisors (8111500).

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

6630500 is a wasteful number, since it uses less digits than its factorization.

6630500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 6630500 is about 2574.9757280409. The cubic root of 6630500 is about 187.8662471002.

Adding to 6630500 its reverse (50366), we get a palindrome (6680866).

The spelling of 6630500 in words is "six million, six hundred thirty thousand, five hundred".