6231985 has 4 divisors (see below), whose sum is σ = 7478388. Its totient is φ = 4985584.

The previous prime is 6231949. The next prime is 6232043. The reversal of 6231985 is 5891326.

6231985 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 2712609 + 3519376 = 1647^2 + 1876^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6231985 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 6231985.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623194 + ... + 623203.

It is an arithmetic number, because the mean of its divisors is an integer number (1869597).

Almost surely, 2^6231985 is an apocalyptic number.

It is an amenable number.

6231985 is a deficient number, since it is larger than the sum of its proper divisors (1246403).

6231985 is a wasteful number, since it uses less digits than its factorization.

6231985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246402.

The product of its digits is 12960, while the sum is 34.

The square root of 6231985 is about 2496.3943999296. The cubic root of 6231985 is about 184.0244237428.

The spelling of 6231985 in words is "six million, two hundred thirty-one thousand, nine hundred eighty-five".