3210985 has 4 divisors (see below), whose sum is σ = 3853188. Its totient is φ = 2568784.

The previous prime is 3210959. The next prime is 3211001. The reversal of 3210985 is 5890123.

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 589824 + 2621161 = 768^2 + 1619^2 .

It is a cyclic number.

It is not a de Polignac number, because 3210985 - 2⁵ = 3210953 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian 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, 321094 + ... + 321103.

It is an arithmetic number, because the mean of its divisors is an integer number (963297).

Almost surely, 2^3210985 is an apocalyptic number.

It is an amenable number.

3210985 is a deficient number, since it is larger than the sum of its proper divisors (642203).

3210985 is an equidigital number, since it uses as much as digits as its factorization.

3210985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642202.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 3210985 is about 1791.9221523269. The cubic root of 3210985 is about 147.5296885562.

The spelling of 3210985 in words is "three million, two hundred ten thousand, nine hundred eighty-five".