6890245 has 8 divisors (see below), whose sum is σ = 8368416. Its totient is φ = 5445456.

The previous prime is 6890243. The next prime is 6890249. The reversal of 6890245 is 5420986.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6890245 - 2¹ = 6890243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6890245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6890243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7887 + ... + 8716.

It is an arithmetic number, because the mean of its divisors is an integer number (1046052).

Almost surely, 2^6890245 is an apocalyptic number.

It is an amenable number.

6890245 is a deficient number, since it is larger than the sum of its proper divisors (1478171).

6890245 is a wasteful number, since it uses less digits than its factorization.

6890245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16691.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 6890245 is about 2624.9276180497. The cubic root of 6890245 is about 190.2880671833.

The spelling of 6890245 in words is "six million, eight hundred ninety thousand, two hundred forty-five".