4661443 has 2 divisors, whose sum is σ = 4661444. Its totient is φ = 4661442.

The previous prime is 4661429. The next prime is 4661477. The reversal of 4661443 is 3441664.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4661443 is a prime.

4661443 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4661543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2330721 + 2330722.

It is an arithmetic number, because the mean of its divisors is an integer number (2330722).

Almost surely, 2^4661443 is an apocalyptic number.

4661443 is a deficient number, since it is larger than the sum of its proper divisors (1).

4661443 is an equidigital number, since it uses as much as digits as its factorization.

4661443 is an odious number, because the sum of its binary digits is odd.

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

The square root of 4661443 is about 2159.0375170432. The cubic root of 4661443 is about 167.0475559880.

The spelling of 4661443 in words is "four million, six hundred sixty-one thousand, four hundred forty-three".