6805406 has 8 divisors (see below), whose sum is σ = 10808640. Its totient is φ = 3202528.

The previous prime is 6805397. The next prime is 6805411. The reversal of 6805406 is 6045086.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100046 + ... + 100113.

It is an arithmetic number, because the mean of its divisors is an integer number (1351080).

Almost surely, 2^6805406 is an apocalyptic number.

6805406 is a deficient number, since it is larger than the sum of its proper divisors (4003234).

6805406 is a wasteful number, since it uses less digits than its factorization.

6805406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200178.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 6805406 is about 2608.7173093304. The cubic root of 6805406 is about 189.5038393552.

The spelling of 6805406 in words is "six million, eight hundred five thousand, four hundred six".