3445128 has 48 divisors (see below), whose sum is σ = 9500400. Its totient is φ = 1127520.

The previous prime is 3445121. The next prime is 3445153. The reversal of 3445128 is 8215443.

It is not an unprimeable number, because it can be changed into a prime (3445121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3843 + ... + 4653.

It is an arithmetic number, because the mean of its divisors is an integer number (197925).

Almost surely, 2^3445128 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 3445128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4750200).

3445128 is an abundant number, since it is smaller than the sum of its proper divisors (6055272).

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

3445128 is a wasteful number, since it uses less digits than its factorization.

3445128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882 (or 875 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 3445128 is about 1856.1056004441. The cubic root of 3445128 is about 151.0318193839.

The spelling of 3445128 in words is "three million, four hundred forty-five thousand, one hundred twenty-eight".