6801406 has 4 divisors (see below), whose sum is σ = 10202112. Its totient is φ = 3400702.

The previous prime is 6801401. The next prime is 6801407. The reversal of 6801406 is 6041086.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 1700350 + ... + 1700353.

It is an arithmetic number, because the mean of its divisors is an integer number (2550528).

Almost surely, 2^6801406 is an apocalyptic number.

6801406 is a deficient number, since it is larger than the sum of its proper divisors (3400706).

6801406 is a wasteful number, since it uses less digits than its factorization.

6801406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400705.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 6801406 is about 2607.9505363407. The cubic root of 6801406 is about 189.4667039799.

The spelling of 6801406 in words is "six million, eight hundred one thousand, four hundred six".