3493291928 has 48 divisors (see below), whose sum is σ = 7638829920. Its totient is φ = 1493287488.

The previous prime is 3493291913. The next prime is 3493291951. The reversal of 3493291928 is 8291923943.

3493291928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144401 + ... + 166847.

It is an arithmetic number, because the mean of its divisors is an integer number (159142290).

Almost surely, 2^3493291928 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 3493291928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3819414960).

3493291928 is an abundant number, since it is smaller than the sum of its proper divisors (4145537992).

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

3493291928 is a wasteful number, since it uses less digits than its factorization.

3493291928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22864 (or 22853 counting only the distinct ones).

The product of its digits is 839808, while the sum is 50.

The square root of 3493291928 is about 59104.0770844110. The cubic root of 3493291928 is about 1517.3238819010.

The spelling of 3493291928 in words is "three billion, four hundred ninety-three million, two hundred ninety-one thousand, nine hundred twenty-eight".