4251628 has 6 divisors (see below), whose sum is σ = 7440356. Its totient is φ = 2125812.

The previous prime is 4251623. The next prime is 4251629. The reversal of 4251628 is 8261524.

It is a junction number, because it is equal to n+sod(n) for n = 4251596 and 4251605.

It is not an unprimeable number, because it can be changed into a prime (4251623) 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 as a sum of consecutive naturals, namely, 531450 + ... + 531457.

Almost surely, 2^4251628 is an apocalyptic number.

It is an amenable number.

4251628 is a deficient number, since it is larger than the sum of its proper divisors (3188728).

4251628 is a wasteful number, since it uses less digits than its factorization.

4251628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062911 (or 1062909 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 4251628 is about 2061.9476230011. The cubic root of 4251628 is about 162.0012701216.

The spelling of 4251628 in words is "four million, two hundred fifty-one thousand, six hundred twenty-eight".