6895990 has 8 divisors (see below), whose sum is σ = 12412800. Its totient is φ = 2758392.

The previous prime is 6895969. The next prime is 6895991. The reversal of 6895990 is 995986.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6895990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6895991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344790 + ... + 344809.

It is an arithmetic number, because the mean of its divisors is an integer number (1551600).

Almost surely, 2^6895990 is an apocalyptic number.

6895990 is a deficient number, since it is larger than the sum of its proper divisors (5516810).

6895990 is a wasteful number, since it uses less digits than its factorization.

6895990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689606.

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 6895990 is about 2626.0217059270. The cubic root of 6895990 is about 190.3409390939.

The spelling of 6895990 in words is "six million, eight hundred ninety-five thousand, nine hundred ninety".