3228785646 has 8 divisors (see below), whose sum is σ = 6457571304. Its totient is φ = 1076261880.

The previous prime is 3228785621. The next prime is 3228785753. The reversal of 3228785646 is 6465878223.

It is a sphenic number, since it is the product of 3 distinct primes.

3228785646 is an admirable number.

It is a congruent 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, 269065465 + ... + 269065476.

It is an arithmetic number, because the mean of its divisors is an integer number (807196413).

Almost surely, 2^3228785646 is an apocalyptic number.

3228785646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3228785646 is a wasteful number, since it uses less digits than its factorization.

3228785646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538130946.

The product of its digits is 3870720, while the sum is 51.

The square root of 3228785646 is about 56822.4044369824. The cubic root of 3228785646 is about 1478.0180504191.

The spelling of 3228785646 in words is "three billion, two hundred twenty-eight million, seven hundred eighty-five thousand, six hundred forty-six".