6411678 has 32 divisors (see below), whose sum is σ = 15783936. Its totient is φ = 1690848.

The previous prime is 6411673. The next prime is 6411701. The reversal of 6411678 is 8761146.

It is a happy number.

It is a super-2 number, since 2×6411678² = 82219229551368, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6411673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5326 + ... + 6417.

It is an arithmetic number, because the mean of its divisors is an integer number (493248).

Almost surely, 2^6411678 is an apocalyptic number.

6411678 is an abundant number, since it is smaller than the sum of its proper divisors (9372258).

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

6411678 is a wasteful number, since it uses less digits than its factorization.

6411678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11768.

The product of its digits is 8064, while the sum is 33.

The square root of 6411678 is about 2532.1291436260. The cubic root of 6411678 is about 185.7764107175.

The spelling of 6411678 in words is "six million, four hundred eleven thousand, six hundred seventy-eight".