6809902 has 8 divisors (see below), whose sum is σ = 11143512. Its totient is φ = 3095400.

The previous prime is 6809899. The next prime is 6809903. The reversal of 6809902 is 2099086.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6809903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154749 + ... + 154792.

It is an arithmetic number, because the mean of its divisors is an integer number (1392939).

Almost surely, 2^6809902 is an apocalyptic number.

6809902 is a deficient number, since it is larger than the sum of its proper divisors (4333610).

6809902 is a wasteful number, since it uses less digits than its factorization.

6809902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309554.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 6809902 is about 2609.5788932316. The cubic root of 6809902 is about 189.5455621515.

It can be divided in two parts, 6 and 809902, that added together give a palindrome (809908).

The spelling of 6809902 in words is "six million, eight hundred nine thousand, nine hundred two".