6604620 has 48 divisors (see below), whose sum is σ = 20176128. Its totient is φ = 1600960.

The previous prime is 6604607. The next prime is 6604639. The reversal of 6604620 is 264066.

It is an Ulam number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4344 + ... + 5663.

It is an arithmetic number, because the mean of its divisors is an integer number (420336).

Almost surely, 2^6604620 is an apocalyptic number.

6604620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6604620 is an abundant number, since it is smaller than the sum of its proper divisors (13571508).

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

6604620 is a wasteful number, since it uses less digits than its factorization.

6604620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10030 (or 10028 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 6604620 is about 2569.9455247145. The cubic root of 6604620 is about 187.6215034687.

Adding to 6604620 its reverse (264066), we get a palindrome (6868686).

It can be divided in two parts, 66046 and 20, that added together give a palindrome (66066).

The spelling of 6604620 in words is "six million, six hundred four thousand, six hundred twenty".