4028000 has 96 divisors (see below), whose sum is σ = 10614240. Its totient is φ = 1497600.

The previous prime is 4027993. The next prime is 4028009. The reversal of 4028000 is 8204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4028009) 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, 75974 + ... + 76026.

It is an arithmetic number, because the mean of its divisors is an integer number (110565).

Almost surely, 2^4028000 is an apocalyptic number.

4028000 is a gapful number since it is divisible by the number (40) 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 4028000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5307120).

4028000 is an abundant number, since it is smaller than the sum of its proper divisors (6586240).

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

4028000 is a wasteful number, since it uses less digits than its factorization.

4028000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 4028000 is about 2006.9877926883. The cubic root of 4028000 is about 159.1096378693.

The spelling of 4028000 in words is "four million, twenty-eight thousand".