4187028 has 12 divisors (see below), whose sum is σ = 9769760. Its totient is φ = 1395672.

The previous prime is 4187023. The next prime is 4187047. The reversal of 4187028 is 8207814.

4187028 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 4186986 and 4187004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4187021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174448 + ... + 174471.

Almost surely, 2^4187028 is an apocalyptic number.

It is an amenable number.

4187028 is an abundant number, since it is smaller than the sum of its proper divisors (5582732).

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

4187028 is a wasteful number, since it uses less digits than its factorization.

4187028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348926 (or 348924 counting only the distinct ones).

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

The square root of 4187028 is about 2046.2228617626. Note that the first 3 decimals coincide. The cubic root of 4187028 is about 161.1765869774.

The spelling of 4187028 in words is "four million, one hundred eighty-seven thousand, twenty-eight".