6894785 has 4 divisors (see below), whose sum is σ = 8273748. Its totient is φ = 5515824.

The previous prime is 6894781. The next prime is 6894791. The reversal of 6894785 is 5874986.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2729104 + 4165681 = 1652^2 + 2041^2 .

It is a cyclic number.

It is not a de Polignac number, because 6894785 - 2² = 6894781 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6894781) 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, 689474 + ... + 689483.

It is an arithmetic number, because the mean of its divisors is an integer number (2068437).

Almost surely, 2^6894785 is an apocalyptic number.

It is an amenable number.

6894785 is a deficient number, since it is larger than the sum of its proper divisors (1378963).

6894785 is a wasteful number, since it uses less digits than its factorization.

6894785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378962.

The product of its digits is 483840, while the sum is 47.

The square root of 6894785 is about 2625.7922613946. The cubic root of 6894785 is about 190.3298517716.

The spelling of 6894785 in words is "six million, eight hundred ninety-four thousand, seven hundred eighty-five".