6806642 has 8 divisors (see below), whose sum is σ = 10447536. Its totient is φ = 3324132.

The previous prime is 6806633. The next prime is 6806651. The reversal of 6806642 is 2466086.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6806633) and next prime (6806651).

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

It is a junction number, because it is equal to n+sod(n) for n = 6806599 and 6806608.

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, 39488 + ... + 39659.

It is an arithmetic number, because the mean of its divisors is an integer number (1305942).

Almost surely, 2^6806642 is an apocalyptic number.

6806642 is a deficient number, since it is larger than the sum of its proper divisors (3640894).

6806642 is a wasteful number, since it uses less digits than its factorization.

6806642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79192.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 6806642 is about 2608.9541966083. The cubic root of 6806642 is about 189.5153112433.

The spelling of 6806642 in words is "six million, eight hundred six thousand, six hundred forty-two".