3215985352 has 8 divisors (see below), whose sum is σ = 6029972550. Its totient is φ = 1607992672.

The previous prime is 3215985349. The next prime is 3215985361. The reversal of 3215985352 is 2535895123.

It can be written as a sum of positive squares in only one way, i.e., 3083136676 + 132848676 = 55526^2 + 11526^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 3215985299 and 3215985308.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200999077 + ... + 200999092.

Almost surely, 2^3215985352 is an apocalyptic number.

It is an amenable number.

3215985352 is a deficient number, since it is larger than the sum of its proper divisors (2813987198).

3215985352 is a wasteful number, since it uses less digits than its factorization.

3215985352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401998175 (or 401998171 counting only the distinct ones).

The product of its digits is 324000, while the sum is 43.

The square root of 3215985352 is about 56709.6583661020. The cubic root of 3215985352 is about 1476.0622973929.

The spelling of 3215985352 in words is "three billion, two hundred fifteen million, nine hundred eighty-five thousand, three hundred fifty-two".