6853963 has 4 divisors (see below), whose sum is σ = 6999840. Its totient is φ = 6708088.

The previous prime is 6853949. The next prime is 6853967. The reversal of 6853963 is 3693586.

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

It is a cyclic number.

It is not a de Polignac number, because 6853963 - 2²¹ = 4756811 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6853967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72868 + ... + 72961.

It is an arithmetic number, because the mean of its divisors is an integer number (1749960).

Almost surely, 2^6853963 is an apocalyptic number.

6853963 is a deficient number, since it is larger than the sum of its proper divisors (145877).

6853963 is a wasteful number, since it uses less digits than its factorization.

6853963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145876.

The product of its digits is 116640, while the sum is 40.

The square root of 6853963 is about 2618.0074484233. The cubic root of 6853963 is about 189.9534789151.

The spelling of 6853963 in words is "six million, eight hundred fifty-three thousand, nine hundred sixty-three".