3995028 has 48 divisors (see below), whose sum is σ = 10523520. Its totient is φ = 1310400.

The previous prime is 3995023. The next prime is 3995029. The reversal of 3995028 is 8205993.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3994983 and 3995001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3995021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7408 + ... + 7928.

It is an arithmetic number, because the mean of its divisors is an integer number (219240).

Almost surely, 2^3995028 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 3995028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5261760).

3995028 is an abundant number, since it is smaller than the sum of its proper divisors (6528492).

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

3995028 is a wasteful number, since it uses less digits than its factorization.

3995028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 3995028 is about 1998.7566134975. The cubic root of 3995028 is about 158.6743066098.

The spelling of 3995028 in words is "three million, nine hundred ninety-five thousand, twenty-eight".