2331985 has 8 divisors (see below), whose sum is σ = 2837160. Its totient is φ = 1839744.

The previous prime is 2331949. The next prime is 2331997. The reversal of 2331985 is 5891332.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 256 + 2331729 = 16^2 + 1527^2 .

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 2331985 - 2¹¹ = 2329937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2830 + ... + 3559.

It is an arithmetic number, because the mean of its divisors is an integer number (354645).

2^2331985 is an apocalyptic number.

It is an amenable number.

2331985 is a deficient number, since it is larger than the sum of its proper divisors (505175).

2331985 is an equidigital number, since it uses as much as digits as its factorization.

2331985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6467.

The product of its digits is 6480, while the sum is 31.

The square root of 2331985 is about 1527.0838221918. The cubic root of 2331985 is about 132.6096872669.

The spelling of 2331985 in words is "two million, three hundred thirty-one thousand, nine hundred eighty-five".