3228956985 has 16 divisors (see below), whose sum is σ = 5199241536. Its totient is φ = 1711140288.

The previous prime is 3228956953. The next prime is 3228956987. The reversal of 3228956985 is 5896598223.

It is not a de Polignac number, because 3228956985 - 2⁵ = 3228956953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3228956987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 683199 + ... + 687908.

It is an arithmetic number, because the mean of its divisors is an integer number (324952596).

Almost surely, 2^3228956985 is an apocalyptic number.

It is an amenable number.

3228956985 is a deficient number, since it is larger than the sum of its proper divisors (1970284551).

3228956985 is a wasteful number, since it uses less digits than its factorization.

3228956985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371272.

The product of its digits is 9331200, while the sum is 57.

The square root of 3228956985 is about 56823.9120881342. The cubic root of 3228956985 is about 1478.0441941651.

The spelling of 3228956985 in words is "three billion, two hundred twenty-eight million, nine hundred fifty-six thousand, nine hundred eighty-five".