3217828845 has 64 divisors (see below), whose sum is σ = 6469779456. Its totient is φ = 1326689280.

The previous prime is 3217828829. The next prime is 3217828853. The reversal of 3217828845 is 5488287123.

It is not a de Polignac number, because 3217828845 - 2⁴ = 3217828829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3217828794 and 3217828803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 135717 + ... + 157653.

It is an arithmetic number, because the mean of its divisors is an integer number (101090304).

Almost surely, 2^3217828845 is an apocalyptic number.

3217828845 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3217828845 is an abundant number, since it is smaller than the sum of its proper divisors (3251950611).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3217828845 is a wasteful number, since it uses less digits than its factorization.

3217828845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22090.

The product of its digits is 860160, while the sum is 48.

The square root of 3217828845 is about 56725.9098208217. The cubic root of 3217828845 is about 1476.3442836212.

The spelling of 3217828845 in words is "three billion, two hundred seventeen million, eight hundred twenty-eight thousand, eight hundred forty-five".