6412891 has 8 divisors (see below), whose sum is σ = 6597360. Its totient is φ = 6230112.

The previous prime is 6412873. The next prime is 6412897. The reversal of 6412891 is 1982146.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6412891 - 2¹¹ = 6410843 is a prime.

It is a super-2 number, since 2×6412891² = 82250341955762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6412897) 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 7 ways as a sum of consecutive naturals, for example, 12345 + ... + 12853.

It is an arithmetic number, because the mean of its divisors is an integer number (824670).

Almost surely, 2^6412891 is an apocalyptic number.

6412891 is a deficient number, since it is larger than the sum of its proper divisors (184469).

6412891 is a wasteful number, since it uses less digits than its factorization.

6412891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845.

The product of its digits is 3456, while the sum is 31.

The square root of 6412891 is about 2532.3686540470. The cubic root of 6412891 is about 185.7881254136.

The spelling of 6412891 in words is "six million, four hundred twelve thousand, eight hundred ninety-one".