3231985 has 4 divisors (see below), whose sum is σ = 3878388. Its totient is φ = 2585584.

The previous prime is 3231979. The next prime is 3232003. The reversal of 3231985 is 5891323.

It is a happy number.

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 331776 + 2900209 = 576^2 + 1703^2 .

It is a cyclic number.

It is not a de Polignac number, because 3231985 - 2⁵ = 3231953 is a prime.

It is a Duffinian number.

3231985 is a lucky 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, 323194 + ... + 323203.

It is an arithmetic number, because the mean of its divisors is an integer number (969597).

Almost surely, 2^3231985 is an apocalyptic number.

It is an amenable number.

3231985 is a deficient number, since it is larger than the sum of its proper divisors (646403).

3231985 is an equidigital number, since it uses as much as digits as its factorization.

3231985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646402.

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

The square root of 3231985 is about 1797.7722325145. The cubic root of 3231985 is about 147.8506071043.

The spelling of 3231985 in words is "three million, two hundred thirty-one thousand, nine hundred eighty-five".