4049328 has 40 divisors (see below), whose sum is σ = 10825200. Its totient is φ = 1302784.

The previous prime is 4049327. The next prime is 4049329. The reversal of 4049328 is 8239404.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4049327) and next prime (4049329).

It is a junction number, because it is equal to n+sod(n) for n = 4049295 and 4049304.

It is not an unprimeable number, because it can be changed into a prime (4049327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63 + ... + 2846.

It is an arithmetic number, because the mean of its divisors is an integer number (270630).

Almost surely, 2^4049328 is an apocalyptic number.

4049328 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4049328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5412600).

4049328 is an abundant number, since it is smaller than the sum of its proper divisors (6775872).

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

4049328 is a wasteful number, since it uses less digits than its factorization.

4049328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2949 (or 2943 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 4049328 is about 2012.2942130812. The cubic root of 4049328 is about 159.3899687594.

The spelling of 4049328 in words is "four million, forty-nine thousand, three hundred twenty-eight".