6424665 has 32 divisors (see below), whose sum is σ = 11321856. Its totient is φ = 3091200.

The previous prime is 6424661. The next prime is 6424669. The reversal of 6424665 is 5664246.

6424665 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6424661) and next prime (6424669).

It is not a de Polignac number, because 6424665 - 2² = 6424661 is a prime.

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

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8815 + ... + 9515.

It is an arithmetic number, because the mean of its divisors is an integer number (353808).

Almost surely, 2^6424665 is an apocalyptic number.

6424665 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6424665 is a deficient number, since it is larger than the sum of its proper divisors (4897191).

6424665 is a wasteful number, since it uses less digits than its factorization.

6424665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769.

The product of its digits is 34560, while the sum is 33.

The square root of 6424665 is about 2534.6922890166. The cubic root of 6424665 is about 185.9017575767.

The spelling of 6424665 in words is "six million, four hundred twenty-four thousand, six hundred sixty-five".