4641643 has 4 divisors (see below), whose sum is σ = 4885960. Its totient is φ = 4397328.

The previous prime is 4641641. The next prime is 4641647. The reversal of 4641643 is 3461464.

It is a happy number.

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 4641643 - 2¹ = 4641641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4641641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122130 + ... + 122167.

It is an arithmetic number, because the mean of its divisors is an integer number (1221490).

Almost surely, 2^4641643 is an apocalyptic number.

4641643 is a deficient number, since it is larger than the sum of its proper divisors (244317).

4641643 is a wasteful number, since it uses less digits than its factorization.

4641643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244316.

The product of its digits is 6912, while the sum is 28.

The square root of 4641643 is about 2154.4472609001. The cubic root of 4641643 is about 166.8107025972.

The spelling of 4641643 in words is "four million, six hundred forty-one thousand, six hundred forty-three".