4069128 has 64 divisors (see below), whose sum is σ = 11871360. Its totient is φ = 1138176.

The previous prime is 4069099. The next prime is 4069139. The reversal of 4069128 is 8219604.

It is a junction number, because it is equal to n+sod(n) for n = 4069095 and 4069104.

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, 8676 + ... + 9132.

It is an arithmetic number, because the mean of its divisors is an integer number (185490).

Almost surely, 2^4069128 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 4069128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5935680).

4069128 is an abundant number, since it is smaller than the sum of its proper divisors (7802232).

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

4069128 is a wasteful number, since it uses less digits than its factorization.

4069128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 4069128 is about 2017.2079714298. The cubic root of 4069128 is about 159.6493361962.

The spelling of 4069128 in words is "four million, sixty-nine thousand, one hundred twenty-eight".