3443928 has 64 divisors (see below), whose sum is σ = 9538560. Its totient is φ = 1030656.

The previous prime is 3443927. The next prime is 3443933. The reversal of 3443928 is 8293443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3443927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9201 + ... + 9567.

It is an arithmetic number, because the mean of its divisors is an integer number (149040).

Almost surely, 2^3443928 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 3443928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4769280).

3443928 is an abundant number, since it is smaller than the sum of its proper divisors (6094632).

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

3443928 is a wasteful number, since it uses less digits than its factorization.

3443928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 412 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 3443928 is about 1855.7823148204. The cubic root of 3443928 is about 151.0142816485.

It can be divided in two parts, 3443 and 928, that added together give a triangular number (4371 = T₉₃).

The spelling of 3443928 in words is "three million, four hundred forty-three thousand, nine hundred twenty-eight".