4628643 has 4 divisors (see below), whose sum is σ = 6171528. Its totient is φ = 3085760.

The previous prime is 4628629. The next prime is 4628651. The reversal of 4628643 is 3468264.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4628643 - 2⁴ = 4628627 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4624643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771438 + ... + 771443.

It is an arithmetic number, because the mean of its divisors is an integer number (1542882).

Almost surely, 2^4628643 is an apocalyptic number.

4628643 is a deficient number, since it is larger than the sum of its proper divisors (1542885).

4628643 is a wasteful number, since it uses less digits than its factorization.

4628643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542884.

The product of its digits is 27648, while the sum is 33.

The square root of 4628643 is about 2151.4281303358. The cubic root of 4628643 is about 166.6548262700.

The spelling of 4628643 in words is "four million, six hundred twenty-eight thousand, six hundred forty-three".