6801405 has 24 divisors (see below), whose sum is σ = 11788128. Its totient is φ = 3347136.

The previous prime is 6801401. The next prime is 6801407. The reversal of 6801405 is 5041086.

It is not a de Polignac number, because 6801405 - 2² = 6801401 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6801401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1194 + ... + 3876.

It is an arithmetic number, because the mean of its divisors is an integer number (491172).

Almost surely, 2^6801405 is an apocalyptic number.

6801405 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6801405 is a deficient number, since it is larger than the sum of its proper divisors (4986723).

6801405 is a wasteful number, since it uses less digits than its factorization.

6801405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717 (or 2704 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 6801405 is about 2607.9503446193. The cubic root of 6801405 is about 189.4666946942.

The spelling of 6801405 in words is "six million, eight hundred one thousand, four hundred five".