4628646 has 48 divisors (see below), whose sum is σ = 11099088. Its totient is φ = 1382400.

The previous prime is 4628629. The next prime is 4628651. The reversal of 4628646 is 6468264.

It is a happy number.

4628646 is a `hidden beast` number, since 4 + 6 + 2 + 8 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 4628646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19086 + ... + 19326.

It is an arithmetic number, because the mean of its divisors is an integer number (231231).

Almost surely, 2^4628646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4628646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5549544).

4628646 is an abundant number, since it is smaller than the sum of its proper divisors (6470442).

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

4628646 is a wasteful number, since it uses less digits than its factorization.

4628646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 354 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 4628646 is about 2151.4288275469. The cubic root of 4628646 is about 166.6548622751.

The spelling of 4628646 in words is "four million, six hundred twenty-eight thousand, six hundred forty-six".