4019028 has 24 divisors (see below), whose sum is σ = 10099488. Its totient is φ = 1236576.

The previous prime is 4019009. The next prime is 4019047. The reversal of 4019028 is 8209104.

It is an interprime number because it is at equal distance from previous prime (4019009) and next prime (4019047).

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 4018989 and 4019007.

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, 12726 + ... + 13037.

It is an arithmetic number, because the mean of its divisors is an integer number (420812).

Almost surely, 2^4019028 is an apocalyptic number.

It is an amenable number.

4019028 is an abundant number, since it is smaller than the sum of its proper divisors (6080460).

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

4019028 is a wasteful number, since it uses less digits than its factorization.

4019028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25783 (or 25781 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 4019028 is about 2004.7513561537. The cubic root of 4019028 is about 158.9914160154.

The spelling of 4019028 in words is "four million, nineteen thousand, twenty-eight".