4281628 has 12 divisors (see below), whose sum is σ = 8069320. Its totient is φ = 1976112.

The previous prime is 4281619. The next prime is 4281643. The reversal of 4281628 is 8261824.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 4281628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41118 + ... + 41221.

Almost surely, 2^4281628 is an apocalyptic number.

It is an amenable number.

4281628 is a deficient number, since it is larger than the sum of its proper divisors (3787692).

4281628 is a wasteful number, since it uses less digits than its factorization.

4281628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82356 (or 82354 counting only the distinct ones).

The product of its digits is 6144, while the sum is 31.

The square root of 4281628 is about 2069.2095109002. The cubic root of 4281628 is about 162.3814109131.

The spelling of 4281628 in words is "four million, two hundred eighty-one thousand, six hundred twenty-eight".