4280628 has 24 divisors (see below), whose sum is σ = 10896480. Its totient is φ = 1297120.

The previous prime is 4280623. The next prime is 4280629. The reversal of 4280628 is 8260824.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4280595 and 4280604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4280623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16083 + ... + 16346.

It is an arithmetic number, because the mean of its divisors is an integer number (454020).

Almost surely, 2^4280628 is an apocalyptic number.

It is an amenable number.

4280628 is an abundant number, since it is smaller than the sum of its proper divisors (6615852).

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

4280628 is a wasteful number, since it uses less digits than its factorization.

4280628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32447 (or 32445 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 4280628 is about 2068.9678586194. The cubic root of 4280628 is about 162.3687682101.

The spelling of 4280628 in words is "four million, two hundred eighty thousand, six hundred twenty-eight".