6418965 has 32 divisors (see below), whose sum is σ = 11863296. Its totient is φ = 2903040.

The previous prime is 6418949. The next prime is 6418967. The reversal of 6418965 is 5698146.

It is not a de Polignac number, because 6418965 - 2⁴ = 6418949 is a prime.

It is a super-2 number, since 2×6418965² = 82406223342450, which contains 22 as substring.

It is a Curzon number.

6418965 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6418967) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 11595 + ... + 12135.

It is an arithmetic number, because the mean of its divisors is an integer number (370728).

Almost surely, 2^6418965 is an apocalyptic number.

It is an amenable number.

6418965 is a deficient number, since it is larger than the sum of its proper divisors (5444331).

6418965 is a wasteful number, since it uses less digits than its factorization.

6418965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669.

The product of its digits is 51840, while the sum is 39.

The square root of 6418965 is about 2533.5676426731. The cubic root of 6418965 is about 185.8467636045.

The spelling of 6418965 in words is "six million, four hundred eighteen thousand, nine hundred sixty-five".