6424660 has 96 divisors (see below), whose sum is σ = 16329600. Its totient is φ = 2096640.

The previous prime is 6424637. The next prime is 6424661. The reversal of 6424660 is 664246.

6424660 = T₁₃₆ + T₁₃₇ + ... + T₃₄₄.

It is a super-2 number, since 2×6424660² = 82552512231200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6424661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121194 + ... + 121246.

It is an arithmetic number, because the mean of its divisors is an integer number (170100).

Almost surely, 2^6424660 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 6424660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8164800).

6424660 is an abundant number, since it is smaller than the sum of its proper divisors (9904940).

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

6424660 is a wasteful number, since it uses less digits than its factorization.

6424660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 6424660 is about 2534.6913027033. The cubic root of 6424660 is about 185.9017093506.

The spelling of 6424660 in words is "six million, four hundred twenty-four thousand, six hundred sixty".