6411993 has 24 divisors (see below), whose sum is σ = 10145088. Its totient is φ = 3590496.

The previous prime is 6411973. The next prime is 6411997. The reversal of 6411993 is 3991146.

It is not a de Polignac number, because 6411993 - 2⁵ = 6411961 is a prime.

It is a super-2 number, since 2×6411993² = 82227308464098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6411997) 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 23 ways as a sum of consecutive naturals, for example, 7380 + ... + 8202.

It is an arithmetic number, because the mean of its divisors is an integer number (422712).

Almost surely, 2^6411993 is an apocalyptic number.

It is an amenable number.

6411993 is a deficient number, since it is larger than the sum of its proper divisors (3733095).

6411993 is a wasteful number, since it uses less digits than its factorization.

6411993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893 (or 886 counting only the distinct ones).

The product of its digits is 5832, while the sum is 33.

The square root of 6411993 is about 2532.1913434810. The cubic root of 6411993 is about 185.7794530106.

The spelling of 6411993 in words is "six million, four hundred eleven thousand, nine hundred ninety-three".