4028817 has 16 divisors (see below), whose sum is σ = 6090560. Its totient is φ = 2348352.

The previous prime is 4028807. The next prime is 4028833. The reversal of 4028817 is 7188204.

It is not a de Polignac number, because 4028817 - 2⁸ = 4028561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4028807) 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, 1978 + ... + 3459.

It is an arithmetic number, because the mean of its divisors is an integer number (380660).

Almost surely, 2^4028817 is an apocalyptic number.

It is an amenable number.

4028817 is a deficient number, since it is larger than the sum of its proper divisors (2061743).

4028817 is a wasteful number, since it uses less digits than its factorization.

4028817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5472.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 4028817 is about 2007.1913212248. The cubic root of 4028817 is about 159.1203945547.

The spelling of 4028817 in words is "four million, twenty-eight thousand, eight hundred seventeen".