4551628 has 12 divisors (see below), whose sum is σ = 8048152. Its totient is φ = 2252160.

The previous prime is 4551619. The next prime is 4551641. The reversal of 4551628 is 8261554.

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 4551628.

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, 5478 + ... + 6253.

Almost surely, 2^4551628 is an apocalyptic number.

It is an amenable number.

4551628 is a deficient number, since it is larger than the sum of its proper divisors (3496524).

4551628 is a wasteful number, since it uses less digits than its factorization.

4551628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11832 (or 11830 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

The square root of 4551628 is about 2133.4544757271. The cubic root of 4551628 is about 165.7253405512.

The spelling of 4551628 in words is "four million, five hundred fifty-one thousand, six hundred twenty-eight".