6413868 has 36 divisors (see below), whose sum is σ = 17067960. Its totient is φ = 2025216.

The previous prime is 6413863. The next prime is 6413873. The reversal of 6413868 is 8683146.

It is a happy number.

6413868 is a `hidden beast` number, since 641 + 3 + 8 + 6 + 8 = 666.

6413868 is digitally balanced in base 4, 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 (6413863) and next prime (6413873).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×6413868² = 82275405442848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6413863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4005 + ... + 5372.

It is an arithmetic number, because the mean of its divisors is an integer number (474110).

Almost surely, 2^6413868 is an apocalyptic number.

It is an amenable number.

6413868 is an abundant number, since it is smaller than the sum of its proper divisors (10654092).

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

6413868 is a wasteful number, since it uses less digits than its factorization.

6413868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9406 (or 9401 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 6413868 is about 2532.5615491040. The cubic root of 6413868 is about 185.7975598367.

The spelling of 6413868 in words is "six million, four hundred thirteen thousand, eight hundred sixty-eight".