4494643 has 2 divisors, whose sum is σ = 4494644. Its totient is φ = 4494642.

The previous prime is 4494641. The next prime is 4494653. The reversal of 4494643 is 3464944.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4494643 - 2¹ = 4494641 is a prime.

Together with 4494641, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4494599 and 4494608.

It is not a weakly prime, because it can be changed into another prime (4494641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2247321 + 2247322.

It is an arithmetic number, because the mean of its divisors is an integer number (2247322).

Almost surely, 2^4494643 is an apocalyptic number.

4494643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4494643 is an equidigital number, since it uses as much as digits as its factorization.

4494643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 34.

The square root of 4494643 is about 2120.0573105461. The cubic root of 4494643 is about 165.0308237486.

The spelling of 4494643 in words is "four million, four hundred ninety-four thousand, six hundred forty-three".