6610620 has 48 divisors (see below), whose sum is σ = 19601568. Its totient is φ = 1658880.

The previous prime is 6610619. The next prime is 6610621. The reversal of 6610620 is 260166.

It is an interprime number because it is at equal distance from previous prime (6610619) and next prime (6610621).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6610621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2221 + ... + 4260.

It is an arithmetic number, because the mean of its divisors is an integer number (408366).

Almost surely, 2^6610620 is an apocalyptic number.

6610620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6610620 is an abundant number, since it is smaller than the sum of its proper divisors (12990948).

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

6610620 is a wasteful number, since it uses less digits than its factorization.

6610620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6510 (or 6508 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 6610620 is about 2571.1125996346. The cubic root of 6610620 is about 187.6783015031.

Adding to 6610620 its reverse (260166), we get a palindrome (6870786).

The spelling of 6610620 in words is "six million, six hundred ten thousand, six hundred twenty".