3211768428 has 24 divisors (see below), whose sum is σ = 8175410880. Its totient is φ = 973263120.

The previous prime is 3211768411. The next prime is 3211768429. The reversal of 3211768428 is 8248671123.

It is a self number, because there is not a number n which added to its sum of digits gives 3211768428.

It is not an unprimeable number, because it can be changed into a prime (3211768429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12165658 + ... + 12165921.

It is an arithmetic number, because the mean of its divisors is an integer number (340642120).

Almost surely, 2^3211768428 is an apocalyptic number.

It is an amenable number.

3211768428 is an abundant number, since it is smaller than the sum of its proper divisors (4963642452).

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

3211768428 is a wasteful number, since it uses less digits than its factorization.

3211768428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24331597 (or 24331595 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 3211768428 is about 56672.4662247903. The cubic root of 3211768428 is about 1475.4168586024.

The spelling of 3211768428 in words is "three billion, two hundred eleven million, seven hundred sixty-eight thousand, four hundred twenty-eight".