3421611928 has 64 divisors (see below), whose sum is σ = 7660408320. Its totient is φ = 1400889600.

The previous prime is 3421611911. The next prime is 3421611931. The reversal of 3421611928 is 8291161243.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1700443 + ... + 1702453.

It is an arithmetic number, because the mean of its divisors is an integer number (119693880).

Almost surely, 2^3421611928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3421611928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3830204160).

3421611928 is an abundant number, since it is smaller than the sum of its proper divisors (4238796392).

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

3421611928 is a wasteful number, since it uses less digits than its factorization.

3421611928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368 (or 3364 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 3421611928 is about 58494.5461389350. The cubic root of 3421611928 is about 1506.8739221593.

The spelling of 3421611928 in words is "three billion, four hundred twenty-one million, six hundred eleven thousand, nine hundred twenty-eight".