4250028 has 12 divisors (see below), whose sum is σ = 9916760. Its totient is φ = 1416672.

The previous prime is 4250027. The next prime is 4250039. The reversal of 4250028 is 8200524.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4249986 and 4250013.

It is not an unprimeable number, because it can be changed into a prime (4250021) 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, 177073 + ... + 177096.

Almost surely, 2^4250028 is an apocalyptic number.

It is an amenable number.

4250028 is an abundant number, since it is smaller than the sum of its proper divisors (5666732).

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

4250028 is a wasteful number, since it uses less digits than its factorization.

4250028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354176 (or 354174 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 4250028 is about 2061.5596037951. The cubic root of 4250028 is about 161.9809457852.

The spelling of 4250028 in words is "four million, two hundred fifty thousand, twenty-eight".