4028048 has 40 divisors (see below), whose sum is σ = 8436960. Its totient is φ = 1856000.

The previous prime is 4028009. The next prime is 4028069. The reversal of 4028048 is 8408204.

It is a Cunningham number, because it is equal to 2007²-1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15923 + ... + 16173.

It is an arithmetic number, because the mean of its divisors is an integer number (210924).

Almost surely, 2^4028048 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 4028048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4218480).

4028048 is an abundant number, since it is smaller than the sum of its proper divisors (4408912).

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

4028048 is a wasteful number, since it uses less digits than its factorization.

4028048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 4028048 is about 2006.9997508719. Note that the first 3 decimals coincide. The cubic root of 4028048 is about 159.1102698812.

The spelling of 4028048 in words is "four million, twenty-eight thousand, forty-eight".