6890312 has 64 divisors (see below), whose sum is σ = 16027200. Its totient is φ = 2730240.

The previous prime is 6890309. The next prime is 6890327. The reversal of 6890312 is 2130986.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21578 + ... + 21894.

It is an arithmetic number, because the mean of its divisors is an integer number (250425).

Almost surely, 2^6890312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6890312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8013600).

6890312 is an abundant number, since it is smaller than the sum of its proper divisors (9136888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6890312 is a wasteful number, since it uses less digits than its factorization.

6890312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 6890312 is about 2624.9403802753. The cubic root of 6890312 is about 190.2886839616.

The spelling of 6890312 in words is "six million, eight hundred ninety thousand, three hundred twelve".