4628556 has 48 divisors (see below), whose sum is σ = 12710880. Its totient is φ = 1451520.

The previous prime is 4628551. The next prime is 4628567. The reversal of 4628556 is 6558264.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 4628556.

It is not an unprimeable number, because it can be changed into a prime (4628551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576 + ... + 3096.

It is an arithmetic number, because the mean of its divisors is an integer number (264810).

Almost surely, 2^4628556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4628556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6355440).

4628556 is an abundant number, since it is smaller than the sum of its proper divisors (8082324).

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

4628556 is a wasteful number, since it uses less digits than its factorization.

4628556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551 (or 2543 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 4628556 is about 2151.4079111131. The cubic root of 4628556 is about 166.6537821151.

It can be divided in two parts, 4628 and 556, that added together give a square (5184 = 72²).

The spelling of 4628556 in words is "four million, six hundred twenty-eight thousand, five hundred fifty-six".